Answer: ok first you have to look at the clues or hints of what the given fossil and how many layers or solid Rock on it, now that is seen to go from the youngest to oldest age, we now know that you can design a procedure like a "Rock identification" based on what type of or rock it is for example lime stone this would tell you how far it goes back in time. Just identify the tpe of rock it is and then youll know that its that deep.
I hope this helps just wrote this from scratch for you :)
Which example is a type of non-point source pollution?
A.
untreated chemicals from a factory
B.
runoff mixing with pesticides and debris
C.
toxic gases from a power plant
D.
garbage or leftover food from a restaurant
The answer would be letter B.
Answer: B. runoff mixing with pesticides and debris
Explanation:
A non-point source pollution is the one which originates from many sources of origin but the source of their origin cannot be traced back to their origin. As a result of this, this kind of pollution cannot be controlled.
B. runoff mixing with pesticides and debris is the correct option this is because of the fact that surface runoff (water) will take away pesticides and debris from their site of origin and discharge them to a water body or any other location. The source of these pesticides and debris cannot be traced back. Hence, it a type of non-point source pollution.
any particular element can always be identified by its
One elements is fire, and its recognized by its heat and light, another element is water, this element is recognized by how wet it feels and the sounds it makes.
So your answer would be that each element is recognized by how it:
Looks, Feels, Sounds, and how it acts.
The genotype represents _____. a paired combination of genes either a dominant or recessive gene a given phenotype two alleles
Answer:
The genotype represents two alleles.
Explanation:
The genotype represents two alleles. Because each pair of alleles represents the genotype of a specific gene.
According to the context, the genotype represents two alleles, these are the various forms that a gene can assume.
What is the genotype?It is the set of genetic information or genetic content, that is, the genes that are inherited according to the genome.
The set formed by all the genes of an individual is called a genotype, when the two alleles are manifested, they determine certain characteristics.
Therefore, we can conclude that according to the context, the genotype represents two alleles, these are the various forms that a gene can assume.
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Please halp!!!! Test due today!!
The temperature of the mesosphere decreases with altitude because it is _____. heated from below by sunlight
heated from above by the sun
heated from below by the ozone layer
cooled from above by the thermosphere
Answer:
:/ B
Explanation:
Answer:
Heated bellow by the ozone layer
Explanation:
Hope this helps :)
8. Referring to Figure 2-1, the coyotes would be considered
a. herbivores
c. second-order consumers
b. third-order consumers
d. decomposers
Answer:Third-order consumers
Explanation:
Answer:
B. third-order consumers
Explanation:
Third-order consumers are those that eat second-order consumers. For example, mice are herbivores which are eaten by cats (second) which are eaten by coyotes (third).
Which is a problem associated with a declining population size ?
A. Scarce food supplies
B.Limited health care
C. An aging population
HURRY
A. scarce food supplies
Answer:
An Aging Population
Explanation:
GRADPOINT
Which of the following statements is true about external and internal fertilization? A. Internal fertilization doesn't require sexual intercourse. B. All animals that lay eggs use external fertilization. C. External fertilization doesn't require sexual intercourse. D. All animals that lay eggs use internal fertilization.
Answer:
The answer is C. External fertilization doesn't require sexual intercourse.
Explanation:
Fertilization is the process by which haploid gametes, sperm and egg, unite to produce a genetically distinct individual.
Fertilization in most of the animals is similar to that in humans. Animals also produce gametes for fusion. But the fusion of gametes may take place inside or outside the body. Based on this, fertilization is of two types – internal and external fertilization.
Internal fertilization
In sexual reproduction, the male inserts the sperms into the female reproductive tract to fuse with the egg. If the fusion takes place within the female parent, it is called internal fertilization.
External fertilization
When the fusion of sperm and egg takes place outside the female parent, it is called external fertilization. Only a minority of organisms exhibit this type of gamete fusion. For example, fish, frogs, etc. Here the female parent deposits her eggs in a place and later, the male parent ejects his sperms over them, then fusion takes place.
Gametes that fuse externally has to face many challenges. Since eggs and sperms are deposited in the external environment, the chances of fusion are very less. Predators may eat eggs and the zygote that is formed. To compensate this loss, organisms like fish and frogs lay hundreds of eggs at a time.
Answer: C external fertilization doesn't require sexual intercourse
Explanation:
Tatiana buys a bag of fertilizer at the store. It reads 30-15-10. How much phosphorous is in the fertilizer? 30% 15% 10%
Answer is 15%. It goes in order of Nitrogen, Phosphorous, Potassium. (N-P-K).
Answer:
The correct answer is 15%.
Explanation:
In a bag of fertilizer, the letters NPK is written, which signifies nitrogen content, phosphorus content, and potassium content in sequential order. These are the three nutrients that form a complete fertilizer. The content of the nutrients is denoted by numbers, which is followed by a percentage symbol as these numbers signify the percentage of the nutrient in the formation of the fertilizer. Thus, 30-15-10 shows that the given fertilizer comprises 30 percent nitrogen, 15 percent phosphorus, and 10 percent potassium.
what is the function of the human rectum??
Answer:
The function of rectum is to store the feces temporary before it is excreted out from the human body.
Explanation:
The end part of large intestine is called rectum and it is connected to the anus. The distal part of rectum is called ampulla and feces is stored here temporarily. When stored feces increases its walls expand. There are receptors present in its wall that send a signal to the brain and feces is discharged out of the body.
The human rectum, as part of the digestive system, primarily serves as a storage area for feces until defecation. Feces are moved along by peristalsis and the exit of this waste material is regulated by two sphincters. Rectal valves present in the rectum help separate feces and gas.
Explanation:The human rectum is the terminal end of the large intestine. The primary function of the rectum is to store feces until defecation occurs. During the elimination process, the feces are propelled using movements known as peristalsis. The exit point for this waste material is the anus, located at the far-end of the digestive tract. It's important to note that two sphincters regulate the exit of this waste material; the inner sphincter operates involuntarily, while the outer sphincter operates under voluntary control. Furthermore, the rectum has three lateral bends that form internal transverse folds, otherwise known as the rectal valves. These valves serve to separate feces from gas, preventing the simultaneous passage of both.
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You and your classmates are experimenting with things that can affect the strength of an electromagnet. For this trial, you tested the strength of the electromagnet with 25 coils of wire at different voltages. The data table includes the number of paperclips picked up in each trial. If you were to increase the coils of wire to 50 turns, what would you expect to happen to the strength of the magnet at each of the voltages? Estimate the average number of paperclips that can be picked up for each voltage using 50 turns of wire.
Answer:
A) The greater the voltage, the stronger the electromagnet.
Explanation:
While the number of coils does also affect the strength of the electromagnet, this cannot be inferred from the data provided. An electromagnet with a 3V battery has 40% the strength of one with a 6V battery. There is no data provided for the 4.5 V battery.
While the number of coils does also affect the strength of the electromagnet, this cannot be inferred from the data provided.
What is Electromagnet?An electromagnet with a 3V battery has 40% the strength of one with a 6V battery. There is no data provided for the 4.5 V battery.
Electromagnets are machines that use electricity to produce magnetic fields. Extremely strong electromagnets are used by wrecking yards to transfer heavy scrap metal or even entire cars from one location to another.
Electromagnets are used by your favorite band to intensify the sound coming from its speakers. Additionally, a tiny magnetic pulls a metal clapper up against a bell when someone rings your doorbell.
Therefore, While the number of coils does also affect the strength of the electromagnet, this cannot be inferred from the data provided.
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PLS HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! THIS ONE IS FOR 20 POINTS. I will also give you the brainiest points?!!!!!!!!!!!what cell structure uses aerobic respiration to supply energy to the cell?
During aerobic cellular respiration, glucose reacts with oxygen forming ATP that can be used by the cell.
the cell structure that uses aerobic respiration to supply energy to the cells is called the mitochondria
A(n)__________is a change in the base sequence of a DNA molecule
Hi
The answer is called a mutation
Match the cell part with its function.
Answer:cell membrane surrounds all cells
nucleus holds DNA and directs all actions
cell wall surrounds the cell membrane of plant cells
chloroplasts goes with photosynthesis
ER groups an packages materials
vacuoles storage
ribosomes protein synthesis
golgi apparatus moves materials in cells
cellular respiration mitichondria
Explanation:
As per the details given here regarding cell organelles, the correct match is: a-1, b - 2, c - 6, d - 3, e - 4, f - 8, i - 5, j - 9, and k - 7.
All cells are surrounded by a cell membrane. The nucleus contains DNA and directs all functions. Plant cells have a cell wall that surrounds their cell membrane. Photosynthesis requires chloroplasts.
ER organizes and bundles materials. Storage in vacuoles, Protein synthesis is carried out by ribosomes. The golgi apparatus transports materials within cells. Mitochondria cellular respiration.
Chloroplasts: These organelles are in charge of photosynthesis in plant cells.
The cell membrane (plasma) is a semipermeable barrier that surrounds the cell and isolates its internal environment from its surroundings.
Mitochondria: Also known as the "powerhouses" of the cell, mitochondria are in charge of cellular respiration.
Ribosomes are tiny structures in cells that are in charge of protein production. They can be found either free in the cytoplasm or bound to the endoplasmic reticulum.
Vacuoles are membrane-bound sacs that are present in plant cells. They provide a variety of functions, including the storage of water, ions, minerals, and waste products.
The nucleus is frequently referred to as the cell's control centre. It includes the genetic substance of the cell, DNA, which guides cell activity and transmits hereditary information.
The Golgi apparatus is responsible for the processing, packaging, and distribution of chemicals within the cell.
The endoplasmic reticulum (ER) is a network of membranous tubes and sacs in the cell.
Cell wall: A hard structure present in plant cells (as well as certain other creatures). It gives the cell stability, protection, and form.
Thus, this can be match for the given cell organelles, i.e., he correct match is: a-1, b - 2, c - 6, d - 3, e - 4, f - 8, i - 5, j - 9, and k - 7.
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Your question seems incomplete, the probable complete question is:
Match the cell part with its function.
a. photosynthesis
b. surrounds all cells
c. holds DNA and directs cell actions
d. cellular respiration
e. protein synthesis
f. moves materials in the cell
i. storage
j. surrounds the cell membrane of plant cells
k. groups and packages materials into vesicles
1. chloroplasts
2. cell (plasma) membran-
3. mitochondria
4. ribosomes
5. vacuoles
6. nucleus
7. Golgi apparatus
8. ER
9. Cell wall
Which of the following statements is true about external and internal fertilization?
Answer:
The answer is C. External fertilization doesn't require sexual intercourse.
Explanation:
Fertilization is the process by which haploid gametes, sperm and egg, combine to produce new offspring.
Based on the fusion of sperms and egg fertilization is divided into two types, Internal fertilization and external fertilization.
Internal fertilization:
In internal fertilization the sperms are inserted into female reproductive system where they fuse with egg and zygote is formed.
External fertilization :
In external fertilization, the sperms and egg fuse outside the female reproductive system. Mostly this type of fertilization is found in aquatic organisms like fish and amphibians. The female deposits her eggs at a place and then male ejects the sperms over eggs and then fusion take place.
The true statement is that a) external fertilization doesn’t require sexual intercourse. External fertilization involves the release of sperm and eggs into the environment for fertilization.
Here’s why:
External fertilization occurs when both sperm and eggs are released into the external environment. Fertilization happens outside the organism, such as in spawning.Internal fertilization involves sperm fertilizing the egg inside the female. This can happen through oviparity (egg laid outside), ovoviviparity (egg retained inside), or viviparity (live birth).Not all animals that lay eggs use external fertilization. For example, chickens (birds) use internal fertilization and lay eggs.complete question:
Which of the following statements is true about external and internal fertilization?
A. external fertilization doesn’t require sexual intercoure
B. all animals that lay eggs use extra large fertilization
C. internal fertilization doesn’t require sexual intercourse
D. all animals that lay eggs use internal fertilization
Of the following nonmetals, which is the LEAST reactive?
A. S
B. Cl
C. Br
D. Se
The answer is C.
Hope this helps.
Mark me for brainliest please.
Thank you.
Answer: The least reactive non-metal is Selenium.
Explanation:
Chemical reactivity is defined as the tendency of an element to loose of gain electrons.
Non-metals are the elements which gains electrons and hence, their chemical reactivity will be the tendency to loose electrons.
Their chemical reactivity decreases as we move from top to bottom in a group. As, the electrons get added up in the new shell. So, the the electron in the outermost orbital gets far away from the nucleus. And hence, the electron will be difficult to gain.
Their chemical reactivity increases as we move from left to right in a period because the valence shell come closer to nucleus as we move from left to right. So, addition of new electron in the valence shell becomes easier due to greater attraction between nucleus and valence electron.
For the given options:
Option A: Sulfur
Sulfur (S) is located in period 3 and group 16 of the periodic table.
Option B: Chlorine
Chlorine (Cl) is located in period 3 and group 17 of the periodic table.
Option C: Bromine
Bromine (Br) is located in period 4 and group 17 of the periodic table.
Option D: Selenium
Selenium (Se) is located in period 4 and group 16 of the periodic table.
Hence, the least reactive non-metal is Selenium.
Explain the relationship between each pair of term:
a. gene and chromosomes
b. gene and DNA
c. gene and allele
d. gene and meiosis
Answer:
a=DNA exists in a cell's nucleus within structures called chromosomes . Each section of a chromosome that contains the code for the production of a particular protein is called a gene . ... Each chromosome in a pair carries the same types of genes.
b=Deoxyribonucleic acid, or DNA is the material that is located in the cell's nucleus that makes up the chromosomes and genes. Its molecule is in the shape of a double helix. The arrangement of nitrogenous bases in DNA determines an organism's traits. Every three bases is a triplet and codes for a particular amino acid.
c= Allele vs. Gene. A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.
d=Genetics Play a Role. Meiosis is a process of cell division which yield non-identical daughter cells with one set of chromosomes. These are known as gametes, which are a female's egg cells and a male's sperm cells
Explanation:
Genes are located on chromosomes, DNA makes up genes, alleles are versions of a gene, and genes are inherited through meiosis.
Explanation:The relationship between gene and chromosome is that genes are located on chromosomes. Chromosomes are long strings of DNA, and genes are specific segments of DNA that code for specific traits.
The relationship between gene and DNA is that DNA is the molecule that makes up genes. Genes are sequences of DNA that code for specific proteins, which determine specific characteristics.
The relationship between gene and allele is that alleles are different versions of a gene. A gene can have multiple alleles, and each allele may have a different effect on the trait they code for.
The relationship between gene and meiosis is that genes are inherited through meiosis, a type of cell division that produces gametes (sperm and egg cells). During meiosis, genetic information is shuffled and recombined, leading to genetic variation in offspring.
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state the plant phylum which is characterised by the absence of vascular tissue
Answer:
Bryophytes is the answer.
Answer:
The phylum is Bryophyta sensu lato or Bryophytes
Explanation:
These plants are characterized by having no conductive vessels, flowers or fruits. They are small plants that are found in humid or aquatic sites. Its reproduction is by spores. Its main characteristic is that they were the first plants that guaranteed the road to terrestrial life. These plants do not have specialized tissues or roots. They can live on logs, rocks, etc. Its leaves have a conductive nerve that use it to absorb water and mineral salts. An example is mosses and anthoceros.
Which statement accurately describes a function of RNA?
A. mRNA is made from tRNA during transcription
B. rRNA helps tRNA make a copy of the DNA gene.
C. tRNA bonds with mRNA, bringing in amino acids.
D. mRNA carries the code of rRNA to the muscles.
Answer:
C
Explanation:
This occurs in the ribosome. The mRNA is bound in between the two units of the organelle that begins to read the mRNA. Based on the codons on the RNA, the requisite tRNA (with the corresponding amino acid) is recruited and bound to the complex. When the tRNA releases the amino acid (used to make a polypeptide chain), the tRNA is released.
Final answer:
The correct function of RNA described is that C. tRNA bonds with mRNA to bring amino acids to the ribosomes for protein assembly.
Explanation:
The accurate description of the function of RNA related to your question is option C, which states that tRNA bonds with mRNA, bringing in amino acids to the ribosomes for protein synthesis. Messenger RNA (mRNA) transmits genetic information from DNA to ribosomes, where proteins are assembled based on this information.
Transfer RNA (tRNA) picks up specific amino acids and transfers them to the ribosomes, where they are added to the growing polypeptide chain according to the sequence of codons on the mRNA. Ribosomal RNA (rRNA) combines with ribosomal proteins to form the ribosomal subunits on which mRNA is translated.
what is a secure chemical landfill
a chemical landfill is where chemical waste is stored once it has been used
if it is secure it means that the waste cannot pollute the environment through water, air etc
What is the normal pathway a cell uses to make and release proteins
rough ER-ER-to-golig transport vesicles- Golgi cisternae- secretory or transport vesicles-cell surface... answer: exocytosis
1. What is most of the water usage in the United States used for?
A. drinking
B. irrigation
C. livestock
D. electricity
2. Choose all the answers that apply.
Condensation:
1. forms clouds
2. is the change from a liquid into a gas
3.is the change from a gas into a liquid
4. happens immediately before evaporation
5. returns freshwater to the earth
3. Choose all the answers that apply.
Precipitation:
1. occurs evenly all over the earth
2. returns freshwater to the earth
3. is the change from a liquid into a gas
4. occurs when snow and ice change directly into water vapor
5. falls mostly in the form of rain
4. The amount of water that evaporates from earth is _____.
A. less than the amount that falls as precipitation
B. more than the amount that falls as precipitation
C. roughly equal to the amount that falls as precipitation
Which of the following statements is true?
A. The equator is warmer than the poles because the sun's energy is spread over a smaller area.
B. The more sunspots on the sun's surface, the cooler the earth's climate.
C. Wind is caused by warm air from the equator sinking and moving away from the poles.
D. As latitude North and South of the equator decreases, average temperature decreases.
Answer:
1. What is most of the water usage in the United States used for?
B. irrigation
2. Choose all the answers that apply.
Condensation: is the change from a gas into a liquid
3. Choose all the answers that apply.
Precipitation: falls mostly in the form of rain
4. The amount of water that evaporates from earth is _____.
C. roughly equal to the amount that falls as precipitation
Which of the following statements is true?
The first one is true and even the second
1. Most of the water is used for irrigation.
2. Condensation is the change from a liquid to a gas and occurs immediately before evaporation.
3. Precipitation returns freshwater to the earth and falls mostly in the form of rain.
4. The amount of water that evaporates from the earth is less than the amount that falls as precipitation.
5. The statement that the average temperature falls as the latitude increases north and south of the equator is accurate.
Therefore, the correct options for 1. B, 2. (2 and 4), 3. (2 and 5), 4. A and 5. D.
Fresh water from rain returns to the earth and mostly falls as rain. The amount of water that evaporates from the earth is less than the amount that falls as rain. As the latitude decreases north and south of the equator, the average temperature decreases.
The largest user of water in the US is irrigation, mainly for agricultural purposes. Compared to irrigation, the use of drinking water is important but low. Although irrigation dominates, there are other uses of water, including manufacturing and energy production. Condensation is the process through which water vapor condenses into liquid and precipitation occurs, which supplies fresh water on Earth.
Therefore, the correct options for 1. B, 2. (2 and 4), 3. (2 and 5), 4. A and 5. D.
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___________ is the most general level in the hierarchical classification scheme.
A.
Division
B.
Kingdom
C.
Grouping
D.
Taxonomy
Reset Next
Answer:
Taxonomy is the most general level in the hierarchical classification scheme. Hope this helps you :)
This system is called taxonomic classification.so taxonomy would be the answer
Which cells are sex diploid cells or haploid cells
Answer:
Haploid cells are sex diploid cells.
Explanation:
which of the following tags should be used to retrieve information from a database about dangerous weather in a particular region over a 30-year period
A. electrical storm, tornado, hurricane
B. plants, animals, microbes
C. hurricanes, Florida, 1930 to 1960
D. birth rate, united states, 1952
Answer:
The correct answer is C. "Hurricanes, Florida, 1930 to 1960" is the best option to retrieve information from a database about dangerous weather in a particular region over a 30-year period, because it is the only option of the chart that gives specific data about a certain meteorological event in a specific place over a given period of time. All the other options lack of some information to get a correct answer from the database.
Answer:
C. hurricanes, Florida, 1930 to 1960
I just did it on Ape.x
Jeremy is conducting an experiment and has just made an educated guess as to what will happen in the experiment. Which step of the scientific method is this?
A. Stating the problem
B. Analyzing data
C. Making a hypothesis
D. Identifying variables
Please help
Answer: C. Making a hypothesis.
Explanation:
Hypothesis is a preassumed supposition or prediction based upon some of the observed facts. The hypothesis is required to be tested by scinetific procedures.
Making a hypothesis is the correct option. As Jeremy is predicting the possible outcome of the experiment.
Within a species of short, ground-dwelling animals, two parents produced a group of offspring that were 1 cm taller than they were. These offspring were able to reach slightly higher vegetation than their parents and other members of the species. When the offspring grew up, they produced new offspring who were also slightly taller and could also reach the higher vegetation. This process continued over several generations such that offspring became gradually taller with time.
Eventually, after many generations, all members of the species were at least 20 cm taller than the original two parents that produced the slightly taller offspring. What does this illustrate?
A.
Slight differences between parents and offspring can eventually result in future generations that are very different from their ancestors.
B.
Ground-dwelling animals would survive better if they evolve to be shorter.
C.
Only major differences between parents and offspring can result in future generations that are very different from their ancestors.
D.
Biological change does not apply to ground-dwelling animals.
Answer:
A. Slight differences between parents and offspring can eventually result in future generations that are very different from their ancestors.
Explanation:
B is not correct because the animals were getting taller, not shorter. C is not correct because there were not big differences between the parents and their offspring. D is not correct because in the example the ground-dwelling animals underwent biological change.
Number the following diagrams of a first meiosis division in the proper order. Label each phase correctly as prophase 1, metaphase1 anaphase 1 or telephase1.
Metaphase 1, telephase 1, prophase 1, and anaphase 1.
The order of the given diagram is anaphase 1, prophase 1, anaphase 1, and telophase 1.
What is meiosis?Meiosis is a type of cell division that occurs in sexually reproducing organisms and results in a diminution of the number of chromosomes in gametes.
Body cells in humans are diploid, with two sets of chromosomes. These are responsible for the haploid gamete.
During the cell division, centrioles separate in prophase, get aligns at equator in metaphase, split in anaphase and gets separated in telophase.
Thus, in the given image, the first image is showing metaphase 1, second two is prophase 1, image three is anaphase 1.
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Chemicals can affect an ecosystem. Which of the following is a result of pesticide application?
A.
Pesticide application does not affect ecosystems. This is why it is widely used on farms and ranches.
B.
Pesticide application improves soil fertility, increasing the diversity of plants in the ecosystem.
C.
Pesticide kills all kinds of insects, including predatory insects, which in turn can increase the population of insects for which the pesticide was intended.
D.
It always leaves a residue on plant leaves, reducing photosynthesis.
Answer:
C
Explanation:
Answer:
Pesticide kills all kinds of insects, including predatory insects, which in turn can increase the population of insects for which the pesticide was intended.
Explanation:
Pesticides are the chemicals that kill both beneficial and harmful insects. These chemicals are used to kill the insects that harm the crops but they also kill the other predatory insects. The reduced population size of predatory insects results in increased population size of the insects for which the pesticide was used. So, pesticides have adverse effects on diversity of insect populations.
Transmit impulses away from the cell body? A) axons B) dendrites
Answer:
A = axons transmits impulse away from the cell body
Certain species of fish are unsafe to consume in high quantities because these fish ________.
Answer:
may contain mercury
Explanation:
Especially for pregnant women, this is bad for people to consume, so many types of fish should only be consumed in small amounts.
Answer:
The given blank can be filled with comprises higher amount of methylmercury.
Explanation:
Mercury refers to a mineral that prevails naturally in the surroundings. In supplementation, ample of tons gets discharged into the air every year via wastes and pollution. The methyl gets transformed into methylmercury, that is, the organic mercury compound, that is, a poisonous component.
The fish one consumes unfortunately also comprises the toxin methylmercury. In the streams and oceans, methylmercury can get gather and can also get absorbed in the food chain, as all the fish captivates all the mercury of the organisms that they consume. Due to this, the largest and the oldest fish like sharks and swordfish comprises the highest ratio of methylmercury in them.
Some of the fishes like swordfish, shark, tilefish, and king mackerel are unsafe to consume in larger quantity as they constitute a higher amount of toxin methylmercury.