Answer:
The answer is A. The return of the smog is linked to the burning of fossil fuels.
Explanation:
Smog is a condition of air pollution where the smoke is mixed with the Fog. The main reason for increasing smog is burning of fossil fuel like coal and petroleum. Smog is clearly visible and contain toxic compounds like sulfur oxide and nitrogen oxide and other particles. Smog not only cause problem for vision it also cause serious respiratory problems like asthma.
Define the theory of evolution. In your definition, you must describe what part of evolution natural selection plays in.
30 pts
WILL GIVE BRAINLIEST
ASAP PLS
Evolution is when living things go through changes. This occurs through natural selection.
Answer:
The Theory of Evolution is the theory that states that organisms have changed gradually over a long period of time.
Natural selection process by which individuals that are better suited to their environment survive and reproduce most successfully; also called survival of the fittest.
Explanation:
what cell should be classified as prokaryotic?
the answer is A
Prokaryotic means no nucleus. remember pro rhymes with no.
the answer is A because it doesn’t have a nucleus
Phospholipids are important components of __________.
the plasma membrane:)
Phospholipids are important components of cell membranes and lipoproteins. They form a bilayer structure that protects the contents of the cell and regulates the movement of substances in and out of the cell.
Explanation:Phospholipids are important components of cell membranes. They form a phospholipid bilayer that surrounds and protects the contents of the cell, while also regulating the movement of substances in and out of the cell.
The structure of phospholipids consists of a hydrophilic (water-loving) head and a hydrophobic (water-repelling) tail. This unique structure allows phospholipids to arrange themselves in a bilayer, with the hydrophobic tails facing inward and the hydrophilic heads facing outward.
In addition to cell membranes, phospholipids are also found in lipoproteins, which transport fats and cholesterol in the bloodstream.
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which type of biome is the most productive
Answer:
tropical rain forest
Explanation:
apax
A salt solution has a concentration of 200 g/L. How many grams of salt are contained in 500 mL of this solution?
Answer:
100g/500mL
Explanation:
1ml is .001 of 1 L
this means that per one ml, there is 200g*.001, or .2g/mL, or simply .2g.
now we multiply this by 500, for the 500ml we are calculating. 500*.2=100.
We can also skip these steps and take 200g*.5L, as 500mL is 1/2 liter. We get the same outcome, so the answer is 100g
The concentration of the salt solution can be calculated using the formula concentration = mass of solute / volume of solution. By substituting the given values, we find that there are 100 grams of salt contained in 500 mL of the solution.
Explanation:The concentration of a salt solution is given by the formula:
concentration = mass of solute / volume of solution
In this case, the concentration is 200 g/L and the volume of the solution is 500 mL. We need to convert the volume from mL to L:
500 mL = 500 / 1000 = 0.5 L.
Substituting the values into the formula:
200 g/L = mass of solute / 0.5 L.
Multiplying both sides of the equation by 0.5:
mass of solute = 200 g/L * 0.5 L = 100 g.
Therefore, there are 100 grams of salt contained in 500 mL of this solution.
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9. Referring to Figure 2-1, energy flows from
a. coyotes to grasses
b. cats to mice
c. mice to cats
d. coyotes to cats
C. Mice to cats because cats eat mice
Answer:The answer would be mice to cats
Explanation:I really don't have an explanation though.
What do euglenoids lack? cell walls chloroplasts contractile vacuoles eyespots
Answer:
Euglenoids lack a Cell wall
Explanation:
Euglena is a unicellular photosynthetic protista that can be found in both salt water and fresh water. As Euglena has chloroplasts they can produce their own food through photosynthesis. For their movement in water they have specialized structure called flagella. Near Flagella another pigmented spot exist called eyespot. Eyespot helps euglena to detect sunlight. Euglenoids lack cell wall so they have more flexibility for movement.
why do people study genetics
Answer:
People study genetics to understand the hereditary information in DNA that controls what an organism looks like and how it works.
Explanation:
Answer: At the other extreme of the subject, a knowledge of genetics is fundamental to an understanding of how organisms, populations and species evolve
Explanation:Genetics has always been concerned with the problem of how the hereditary information in DNA controls what an organism looks like and how it works.
What is typically responsible for forming volcanic island chains in the oceans?
Answer:
Explanation:
The bottom of the sea floor is filled with hot spots, where magma from the Earth's interior presses the surface of the sea floor, forming volcanoes. These volcanoes in the maritime soil erupt and, over millions of years, they expel lava, which accumulates and, as it passes the water line, forms an island
Answer: Hot spot volcanism is typically responsible for forming volcanic island chains in the oceans.
Explanation:
which kingdoms are all organisms multicellular
Answer:
Eukarya
Explanation:
HELP ASAP PLEASE!!!! 20 Points
Match the exercise type with the correct term.
Swimming is considered a .
Sprinting for 30 seconds during a jog is a .
Running is a .
Short, high intensity segments are categorized as .
produce(s) less stress on the joints.
Options: Wind Sprint, Low Impact Exercise, High Impact Exercise
Answer:
Swimming is considered a
low impact exercise
.
Sprinting for 30 seconds during a jog is a
wind sprint
.
Running is a
high impact exercise
.
Short, high intensity segments are categorized as
wind sprints
.
Low impact exercise
produce(s) less stress on the joints.
Explanation:
100% on Odyssey PE 2021
Swimming is considered a low impact exercise, sprinting for 30 seconds during a jog is a wind sprint and running is a high impact exercise.
What is sprinting?Sprinting is a footrace over a short distance with an all-out or nearly all-out burst of speed, the chief distances being 100, 200, and 400 metres and 100, 220, and 440 yards.
Moreover, sprinting is an exercise that can help you build muscle mass and burn calories. As a result, potential benefits of sprinting training include improvements in speed, cardiovascular health, blood pressure, and blood sugar levels.
As sprinting is an anaerobic exercise, it helps in build muscles in the same way that weight training does. However, while weight training you focus on one body part at a time. Sprinting, on the other hand, uses dozens of muscles at the same time.
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Which disorder is created as a result of the final chromosomal change that is shown
Answer:
Robertsonian translocation.
Explanation:
the disorder created as a result of the final chromosomal change that is shown is Robertsonian translocation. Translocation is one of the mutation that happens in chromosomes.
Robertsonian translocation
when placed into a solution that is 30% water an 70% salt, what would happen to a cell that has a 70% water concentraion?
Answer:
how
Explanation:
In a hypertonic solution like 70% salt, a cell with 70% water concentration would lose water due to osmosis. This would cause the cell to shrink or crenate.
Explanation:When a cell that has a 70% water concentration is placed into a solution that is 70% salt and 30% water, the surrounding solution is considered hypertonic relative to the cell's interior. This means the environment outside the cell has a higher solute (salt) concentration than inside the cell. According to the principle of osmosis, water will naturally move from an area of lower solute concentration to an area of higher solute concentration in attempt to reach equilibrium. Consequently, water will move out of the cell and into the solution, causing the cell to lose water and shrink or crenate.
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Conservation groups are concerned with wild animal populations so they have pressured governments to create laws to protect them. Which example does NOT protect animal species?
A) whaling
B) fishing limits
C) hunting seasons
Eliminate
D) endangered species act
Answer: A
Explanation:
Whaling is the practice or industry of hunting and killing whales for their oil, meat, or whalebone.
Answer:
A
Explanation: The reason for this is all of the other answer are examples of how to protect these animals such as get rid of hunting season while a does not.
Where does stress build up and eventually release within a fault?
Answer:
Across the surface of the fault.
Explanation:
In the event of a fault, the rocks do not disintegrate immediately. Instead friction generated between the surfaces of a fault hold the rocks together.
The forces separating the rocks builds and accumulates stress over time on the surfaces of the fault until they let go.
The sudden slip of the rocks is what causes the shaking of the earths surface that is refereed to as earthquake.
In humid subtropical climates, _____.
summers are hot with less rainfall than in the winter
winters are cold with more snow than rain
summers are hot with more rainfall than in the winter
there are no freezing temperatures or frost conditions
Answer:
D
Explanation:
In the rainforest, which is a humid subtropical climate, winter is non-existent because of how hot it is.
Study the amino acid sequences of the same protein taken from four different species of
plants. Which pair of plants is most closely related?
Species 1: A-P-A-C-W-
Species 2: G-P-G-S-F-
Species 3: A-P-A-C-F-
Species: -N-K-M-H-H-
A.Species 2 and 4
B.Species 1 and 3
C.Species 3 and 4
D.Species 1 and 2
Answer:
D species 1and 2 is the following answer of the following answers
Answer:
B) Species 1 and 3
Explanation:
Species 1 and 3 have four proteins in common, while the others have less.
A single strand of DNA contains the following nine nucleotides in this order: ACT TAT GGA. What sequence of bases will be present on the complementary strand of DNA?
Answer:
The complementary DNA strand is as follows:
TGA ATA CCT
Hope this helps you out!
does evolution have any plan or it is random?
Answer:
evolution is random
Explanation:
there is no explination for evolution over time things find there own way to be better
Answer:
Evolution is random
Which is the FALSE statement about Cl-?
A. It is a cation.
B. It is an anion.
C. It has gained an electron.
D. It has more electrons than protons.
Answer:
The answer is:
A. It is a cation
Hope this helps you out!
The answer to the question I asked plz
Answer:
D
Explanation:
Releasing a new type of organism, genetically-modified or otherwise, can possibly damage the ecosystem, as seen by the invasive species brought to the Americas by the Europeans.
How have technological advances increase the carrying capacity of earth?
Answer:
Changes in technology modify the carrying capacity of a territory as irrigation and fertilisation in agriculture, for example shorter rotations between crops, which increases the number of people who can be fed from the resources of a given territory.
Explanation:
Carrying capacity is the maximum population of species that a particular habitat can support indefinitely under a given set of environmental conditions without depletion of resources in that habitat.Technology advancing has led to the increase of the earths carrying capacity due to various inventions in agriculture.For example the humans discovered that you would plant crops in a large area of land through planting of seeds and by watering them,weeding,protecting them from being eaten by other animals would ensure enough food supply. Inventions such as crop rotation and use of chemicals have led to increase in crop production since the invention ensures continued soil fertility.Machines to make work easier in the farming practices have also contributed to the increase in the carrying capacity for they make work easier increasing the rate of productionTherefore the earth is able to sustain a large population of people without resources becoming depleted.Final answer:
Technological advances have increased Earth's carrying capacity through improved food production and shelter, leading to exponential human population growth, but have also caused environmental issues that may threaten this capacity.
Explanation:
Technological advances have significantly increased the carrying capacity of Earth by developing more efficient methods of food production and engineering better quality shelters. For example, drilling for oil has provided energy to power agricultural machinery, which in turn has boosted food production. This increase in resource availability has allowed human populations to grow exponentially. However, while these technologies have expanded the Earth's carrying capacity, they've also led to environmental changes like ozone depletion, erosion from acid rain, and global climate change, which could potentially decrease the carrying capacity in the future.
What's the role of a primary consumer in the food web?
Answer:
To make energy available for transfer to higher trophic levels.
Explanation:
Primary consumers are the organisms that feed directly on the autotrophs to obtain energy. These consumers thus help to transfer energy to higher trophic levels that are secondary consumers.An example is the goat feeding on a plant is a primary consumer that directly obtains its energy from the plant. However, by feeding on the plant, it makes energy available for the secondary consumer, which in this case would be a lion.The role of a primary consumer in the food web is to transfer energy within an ecosystem through scouting and consuming of foods which are beneficial to them, and are subsequently consumed by other consumers i.e. secondary and tertiary consumers which are termed as carnivores and omnivores.
Further ExplanationThe significant role of primary consumers in the food web helps keep balance of an ecosystem or a community from collapsing.
A typical primary consumer eats plants and grasses. Primary consumers are mostly herbivores. Primary consumers are located in the bottom level of animals in the food web.
The food web refers to the natural feeding relationship that exists in an ecosystem or a community. Food web comprises of food chains that are interconnected. Aside the primary consumers being in the food chain, secondary and tertiary consumers are also in the food chain.
It should be noted that without the important role of primary consumers, secondary and tertiary consumers would severely be short of much needed energy and nutrients, since they cannot produce their own food.
Therefore, primary consumers play a significant role through the transfer of energy as a result of consuming primary producers i.e. plants which make use of sunlight (solar energy) to provide their own food through the photosynthesis process.
And since plants are consumed by primary consumers, energy derived from the sun is transferred to them, and are tend to be transferred to whichever consumer that consumes the primary consumer.
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Primary consumer https://brainly.com/question/6358301role of a primary consumer https://brainly.com/question/12474990KEYWORDS:
primary consumerfood webcarnivoresomnivorestertiary consumerssecondary consumersProtozoan infection definition
Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa. They include organisms classified in Amoebozoa, Excavata, and Chromalveolata. Examples include Entamoeba histolytica, Plasmodium (some of which cause malaria), and Giardia lamblia.
A protozoan infection is caused by single-celled organisms called protozoa, which can be transmitted via vectors, contaminated food or water, or sexual contact. They often exist in a dormant cyst form outside the host and activate into trophozoites once inside. Examples include Giardia and Plasmodium species.
A protozoan infection is caused by protozoa, which are single-celled, animal-like organisms that belong to the kingdom Protista. These infections can be transmitted through various means such as vectors (insects or arthropods), contaminated food or water, or sexual contact. Protozoa often exist in a dormant stage called a cyst, allowing them to survive outside a host and facilitating their transmission.
Once inside the host, protozoa transition into their metabolically active form known as trophozoites, which feeds and multiplies. Common examples of protozoan pathogens include Giardia and Plasmodium species, which can cause serious health issues such as gastrointestinal illnesses and malaria, respectively. Diagnosis often involves microscopic examination of stool or biopsy specimens.
Please help I honestly think it’s between nucleic acids and proteins someone explain I’ll try to put lots of points and I’ll also like your answer and mark it best. Please answer if you are 100% sure
Answer: nucleic acids
Nucleic acids have information-carrying molecules of the cell, they determine the traits of an organism.
Answer:
proteins
Explanation:
because proteins is responsible for genes
The _____ gland regulates the rate of body metabolism. thyroid hypothalamus parathyroid pancreas
Answer:
The thyroid gland regulates the rate of the body metabolism
Answer:
Thyroid
Explanation:
The thyroid gland releases triiodothyronine and thyroxine hormones that regulate the metabolic rate of the body. These thyroid hormones do not have specific target organs. These hormones stimulate the body cells to increase the rate of cellular respiration and thereby to increase the rate of breakdown of glucose to release energy.
The energy released is used for various functions and growth and development by cells. Hence, the thyroid gland regulates the metabolic rate by increasing the rate of cellular respiration.
What’s the frequency of rr genotype
The frequency of the "A" allele. Answer: Since q = 0.6, and p + q = 1, then p = 0.4; the frequency of A is by definition equal to p, so the answer is 40%. The frequencies of the genotypes "AA" and "Aa." Answer: The frequency of AA is equal to p2, and the frequency of Aa is equal to 2pq
which factor most strongly influences the kinds of plants that can grow in an area
Answer:
Tha climatic conditions , fertility ,rainfall,and climatic sunlight recurved
Explanation:
Please mark as BRAINLIESTAnswer: The factors such as rainfall, climate and temperature determines the type of vegetation growing there.
Explanation:
The type of vegetation is determined by the climate of the region. More and more rainfall favors the growth of trees that grows in rain.
The temperature of the region also contributes in this factor. The colder regions have different types of trees and the hotter places have different types of trees.
These are some of the important factors which determines the growth of plants in a region.
Which of the following structures is not present in animal cells , cell menbrane , mitochondrion , cell wall , nucleus
Answer:
The cell wall.
Explanation:
Cell membrane, mitochondria , nucleus are all present in animal and plant cell. The cell wall is only present in the plant cell.
Who is credited with first documenting the use of the scientific method?
A. Sir Isaac Newton
B. Charles Darwin
C. Dmitri Mendeleev
D. Sir Francis Bacon
Answer:
D. Sir Francis Bacon
Explanation:
Sir Francis Bacon was the first individual to receive credits for documenting the use of scientific method.He also set the inductive method.Previous works of Nicolaus Copernicus and Galileo Galilei influenced him.In this method , scientist obtain observations, empirical data and evidence that can be measured by applying reasonable principles while utilizing the data collected from experiments so as to formulate and test hypothesis.
Answer:
D. Sir Francis Bacon
Explanation: