Answer:
The presence of smog in the atmosphere and exploitation and burning of coal
Explanation:
The "smog" can be observed as dark low clouds in the cities. These are formed by accumulation of gases such as: CO2, soot, smoke and dust in suspension. If the atmospheric concentration of the main gases responsible for the greenhouse effect that was maintained in 2016 is maintained, the average temperature of the Earth will have risen 1, 3 ° C in 2020 and 3 ° C in 2070.
In the process of using coal, important environmental damage occurs because when burning it releases large amounts of greenhouse gases.
The damage caused by coal combustion is much greater when poor quality fuel is used, because the impurities it contains are converted into sulfur oxides and other toxic gases.
In the production of electricity, about 5 tons per year are used, causing havoc in terms of pollution
Human activities, specifically the burning of fossil fuels, have led to increased greenhouse gas emissions, which are measured using ice cores and documented emission statistics, showing a profound influence on global climate change.
Two precise and measurable examples of human activities influencing global climate change due to greenhouse gas emissions are:
The use of ice cores as a method for tracking historical carbon dioxide levels over the past 800,000 years. Ice cores have revealed an unprecedented rise in CO₂ levels concurrent with the industrial era, indicating a direct link to human activity.The documented rise in greenhouse gas emissions from burning fossil fuels for transportation and energy generation, specifically noting an increase of CO₂ emissions in industrialized countries which have led to various climate impacts such as increased average temperatures and changes in precipitation patterns.These examples demonstrate the large-scale impact of human behavior on the climate and underscore the necessity for reducing emissions to mitigate climate change.
What's the primary function of oxygen in aerobic respiration?
A. To donate electrons to all other particles within cellular respiration B. To improve the efficiency of chemical reactions C. To act as a receptor for carbon dioxide molecules D. To give short bursts of energy to muscle cells
Answer:
The correct answer is D)
Explanation:
Aerobic respiration uses oxygen to break down glucose, amino acids, and fatty acids and is the main way the body generates adenosine triphosphate (ATP), which supplies energy to the muscles.
This energy is used to drive the various energy-requiring processes in the body.
Cheers!
The primary function of oxygen in aerobic respiration A. To donate electrons to all other particles within cellular respiration
Explanation:The element oxygen serves as the final electron acceptor in the electron transport chain. This then typically facilitates the complex production of ATP which is the cell's primary energy currency, through the proper oxidation of glucose and other organic molecules.
Thus, the primary function of oxygen in aerobic respiration is to act as the final electron acceptor in the electron transport chain. As electrons are passed through the chain, oxygen combines with hydrogen ions to form water. This process generates energy in the form of ATP, which is used as the main source of energy for cellular activities.
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does a tumor in the pituitary gland affect the thyroid gland?
Answer:
Some pituitary tumors result in too many of the hormones that regulate important functions of your body. Some pituitary tumors can cause your pituitary gland to produce lower levels of hormones. Most pituitary tumors are noncancerous (benign) growths (adenomas).
Not sure if this was helpful, but I hope it was. :)
A tumor in the pituitary gland can indeed affect the thyroid gland, as the pituitary gland regulates the thyroid and other glands in the endocrine system. This tumor can disrupt the hormone signals it normally sends to the thyroid, thereby leading to an imbalance in the production of thyroid hormones.
Explanation:Yes, a tumor in the pituitary gland can impact the function of the thyroid gland. The pituitary gland, sometimes referred to as the 'master gland', controls various other glands in the endocrine system, including the thyroid, through the secretion of hormones. A case in point, the anterior pituitary stimulates the thyroid gland to release thyroid hormones T3 and T4. If a tumor develops in the pituitary gland, this tumor can disrupt these hormonal signals, thereby affecting thyroid function. For example, it may lead to an overproduction or underproduction of hormones, resulting in conditions such as hyperthyroidism (too much thyroid hormone) or hypothyroidism (too little thyroid hormone) respectively. Consequently, the thyroid may enlarge, leading to a condition known as goiter.
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Which of the following gases , released by ruminant animals and termites as a waste product of digestion , can add to global warming ??
A. Carbon dioxide (co2)
B. Methane (CH2)
C. Chlorofluorocarbon (CFC)
D. Nitrogen (n2)
B. Methane (Ch2) is released by animals and contributes to global warming
Methane (CH4) is released by ruminant animals and termites as a waste product of digestion. It is produced through a process known as enteric fermentation and cellulose decomposition, respectively. This potent greenhouse gas absorbs heat in the atmosphere, contributing to global warming.
Explanation:The ruminant animals and termites release the gas called methane (CH4), not CH2 as a waste product of digestion. Methane is a potent greenhouse gas that can contribute to global warming. When methane is released into the atmosphere, it absorbs the sun's heat, warming the atmosphere. This is known as the greenhouse effect, and it is a significant contributor to global warming.
Ruminant animals, such as cows, sheep, and goats, produce methane through a process of enteric fermentation. In their stomachs, microorganisms break down carbohydrates into simpler molecules, which produce methane as a byproduct. This methane is then exhaled or belched out by the animal.
Similar to ruminants, termites also generate methane. They produce methane in their gut, as they are decomposing cellulose from the wood materials they are eating. The microbiota in their gut produces methane gas as a metabolic byproduct, which is then released into the atmosphere.
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A population of peppered moths is monitored over several generations. It is observed that the number of white moths compared to the number of black moths changes with each successive generation. This means that the population cannot be at equilibrium and the population is therefore evolving.
True
or
False
Answer:
True
Explanation:
Evolution is the change in the characteristics of a population over generations. This is caused by nature selecting out some disadvantageous traits and preserving advantageous traits over successive generations through natural selection pressures. In this case, the white moth is at a disadvantage in the environment compared to the black moth. The allele for white color is, therefore, ‘weeded out’ over time.
Which organelle moves substance
Answer:
Golgi bodies
Explanation:
This is the organelle that is responsible for the packaging and sending of needed nutrients in and out of the cell through the cell membrane
Some bed bugs had mutations in their genetic code which allowed them to survive the chemical pesticide and they produced chemically resistant offspring. How can this be explained?
Answer:
Random mutations led to evolution of pesticide resistance genes in bed bugs.
Explanation:
Random mutations in genome of bed bug imparted them the pesticide resistance. Since the bed bugs having the mutation of pesticide resistance were able to survive under presence of pesticides, this variation was favored by natural selection. The bugs with pesticide resistance transmitted this trait to their progeny. In time, the bed bug population consisted of most of the bugs having the pesticide resistance.
Answer:
The answer is D
Explanation:
Which scientist used the word "cell” for the first time in science? Matthias Schleiden Theodor Schwann Robert Hooke Anton van Leeuwenhoek
Answer:
Schwann Robert Hooke
Explanation:
He discovered a honeycomb like structure in a cork slice using a primitive compound microscope. He only saw cell walls as he was looking at dead tissue. Hooke coined the term "cell" for the individual compartments he saw
Answer:
Robert Hooke
Explanation:
A newly discovered solar system is found 300 billion kilometers from the sun. How many AU does this represent? Show your work.
sidenote- please do not copy and paste this or else the answer is worthless
1 kilometer = 6.68 × [tex]10^{-9}[/tex] (<<<AU is in scientific notation here)
To convert 300 billion kilometer (3,000,000,000 km) into AU you must multiply the kilometer by the equivalent of 1 km in AU (6.68 × [tex]10^{-9}[/tex])
3,000,000,000 × (6.68 × [tex]10^{-9}[/tex]) = 20.04 AU
Hope this helped!
Using the definition of an astronomical unit (AU) as 150 million kilometers, 300 billion kilometers equals 2,000 AUs, which is the distance of the newly discovered solar system from the Sun.
To calculate the distance of a newly discovered solar system from the Sun in astronomical units (AU), we first need to know that 1 AU is defined as approximately 150 million kilometers, which is the average distance from Earth to the Sun. To convert 300 billion kilometers to AUs, we would divide the distance in kilometers by the distance of 1 AU:
300 billion kilometers / 150 million kilometers per AU = 2,000 AUs.
Therefore, the newly discovered solar system is 2,000 AUs away from the Sun.
Why does a temperature inversion trap smog and prevent it from dispersing
Answer:
convection is less effective because the air above is already warmer, and so there is less mixing of air between altitudes. Since pollution is generally produced at ground level, temperature inversions can trap the pollution (e.g. smog) at ground level.
Explanation:
Answer:
This means that convection is less effective because the air above is already warmer, and so there is less mixing of air between altitudes. Since pollution is generally produced at ground level, temperature inversions can trap the pollution (e.g. smog) at ground level.
Explanation:
What is a transgenic organism?
A:One that contains rDNA
B: one that has evolved
C:one produced by sexual reproduction D:one that has been cloned
Answer:
a transgenic organism is one that contains rDNA; Recombinant DNA
Explanation:
Transgenic organisms are organisms that contain foreign DNA (rDNA) which is normally introduced via biotechnology. The transgene is simply the DNA from another species or it can be also an rDNA from the same species which has been altered in the laboratory then reintroduced into the organism
Which cell type makes up the brain; somatic or germ cells?
Answer:
somatic
Explanation:
Answer:
somatic
Explanation:
somatic cells make up the internal organs, bones and skin while germ cells give rise to spermatoza
The principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater is _______. a. surface area b. water depth c. temperature d. salinity Please select the best answer from the choices provided
Answer:
d. salinity
Explanation:
The aquatic ecosystems are simply divided into two branches, marine ecosystems and freshwater ecosystems. This division is based upon the salinity of the water where certain ecosystem is found. If the water is classified as salty water, then the ecosystem will be a marine one, if the water is classified as freshwater, then the ecosystem will be a freshwater one. The marine ecosystems are found in the oceans, seas, salty marshes, and salty lakes, while the freshwater ecosystems are found in the streams, rivers, freshwater lakes, marshes, ponds, swamps.
Answer:
D
Explanation:
mtDNA is transferred along material lineage
Answer:
True
Explanation:
mtDNA is passed from mother to child.
The asnwer is true....
Which color of light does chlorophyll b absorb more of than any other color?
Red
Yellow
Green
Blue
Answer:
Blue
Explanation:
Chlorophyll b absorbs more blue light than any other color of light. Therefore, the correct option is D.
What is Chlorophyll b?A special form of chlorophyll pigment called chlorophyll b is present in plants, algae and some cyanobacteria. The other major form of chlorophyll is chlorophyll a, and it belongs to the same group. Despite having a structure that is somewhat similar to that of chlorophyll a, chlorophyll b has a slightly different chemical makeup that enables it to absorb light of different wavelengths.
The process of photosynthesis, in which plants and other photosynthetic organisms convert sunlight into energy, involves both chlorophyll a and chlorophyll b. To be more precise, chlorophyll b collects light energy and passes it to chlorophyll a, which uses the energy to fuel the chemical activities of photosynthesis.
Therefore, the correct option is D.
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Preserving _______ ecosystems can improve water quality, limit flood damages, and recharge the groundwater in a watershed.
A. agricultural
B. wetland
C. desert
D. forest
Answer:
D. forest
Explanation:
Forests play a vital role in soil health and water quality. Not only do they act as anchors for the loose soil, they are also living filtering mechanisms. Without trees, during heavy rainfall, the amount of water will exceed the soil's capacity to absorb it. Thus, this excess will run off collecting not only soil particles (which leads to soil erosion), but also chemicals and pollutants. All this will end up in streams and rivers and thus affect aquatic ecosystems and water quality. These water sources will in turn cause floods that can inflict heavy damages.
A forest canopy will limit the amount of water that reaches the soil. Furthermore, large amounts of water are absorbed by trees on a daily basis. With this water, any pollutants or excess nutrients due to human activity are absorbed and stored inside the trees. Thus, trees play a vital role for the natural circulation and filtration of water.
Answer:
B
Explanation:
Just did it and got it wrong :')
Btw here is the explanation for reals: A watershed is the land that water flows across or through on its way to a stream, lake, wetland, or other body of water. A wetland is an area that is permanently or periodically flooded with water and contains organisms that have adapted to these conditions.
Wetland ecosystems can benefit a watershed by improving water quality by removing pollution and retaining excess nutrients. Wetland ecosystems can also reduce floods by holding water during the rainy season and releasing it at drier times. Water seeps out of wetlands and recharges the watershed's groundwater.
Rising levels of carbon dioxide most likely
Answer: Have a greater detrimental effect on the sea than the land is right answer.
Explanation:
what is the function of the mesentery in fetal pigs and humans?
Answer:
The function of the mesentery is to hold the internal organs in place with thin sheets of tissue. It also supplies them with blood supply and nervous input. It extends from the abdominal wall and attaches the small intestines and other organs to the wall.
And for humans Mesentery In general, a fold of tissue that attaches organs to the body wall. The word mesentery usually refers to the small bowel mesentery, which anchors the small intestines to the back of the abdominal wall. Blood vessels, nerves, and lymphatics branch through the mesentery to supply the intestine.
drag each label to the correct location on the chart match the function to the type of tissue
The question is asking the student to observe various tissue slides under a microscope, sketch their observations proportionately, and identify the tissue structures.
The student's task is to match the function of different tissue types through direct observation of tissue slides under a microscope. They are to obtain a slide of the specified tissue, view it under the microscope using the appropriate objective for the best view, sketch what they see, and fill in the blanks with their observations and identifications of the tissue's structures. Each tissue type, like adipose connective tissue, dense irregular connective tissue, areolar connective tissue, and cardiac muscle tissue, has distinct characteristics that can be observed at various magnifications. The student must carefully draw these structures proportionately, reflecting their true shapes and arrangements as seen in the microscope's field of view, and label them accordingly.
what organic compound in Genes is specifically Designed for this task
Proteins
Enzymes
Lipids
Nucleic acids
Nucleic acids
Answer: last choice
The average kinetic energy of the particles in an object is directly proportional to its
A) heat.
B) volume.
C) temperature.
Eliminate
D) potential energy.
C. Temperature is your answer
Answer:
correct answer is c. temperature
Explanation:
Which property of gold is NOT a reason why gold is often used to make metals?
A. rare
B. malleable
C. corrosion resistant
D. good conductor of electricity
Answer: The answer is A. rare
Explanation:
Hope this helps
The answer will be A as the other guy said.
The explanation is just because gold is rare doesn’t mean it won’t be made into metals.
Which of the following accurately describes a characteristic of fungi? A. Parasitic fungi often form symbiotic relationships with algae to form lichens. B. Mutualistic fungi form symbiotic relationships with plants to form mycorrhizae. C. Parasitic fungi are responsible for helpful benefits to plants. D. Mutualistic fungi are responsible for producing some human diseases.
Answer:
B
Explanation:
mutualistic leaf-dwelling fungi that obtain sugar from plant leaves
What type of thunderstorm is depicted in the radar illustration above?
A. Multicell line
B. Tornado
C. Single-cell thunderstorm
D. Supercell
B: is not correct, pick from A,C, or D. Please try to give a good answer and not a guess.
Answer:
super cell thunder storm
The type of thunderstorm depicted in the radar illustration is a super-cell thunderstorm.
Supercell thunderstorm rotates updraft:
A supercell thunderstorm is a type of thunderstorm that is deep and rotates updraft. It is also known as a rotating thunderstorm. They are most dangerous. The four types of super cell thunderstorms include classic, high precipitation, low precipitation, and miniature.
So, the thunderstorm shown in the image is a supercell thunderstorm.
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Lucy believes she has developed a new way to turn old shoes into automobile fuel. She has done all the research and compiled her findings into a scientific paper. She wants to get this information accepted by the scientific community before someone else comes up with the idea. Which of these would be the LEAST EFFECTIVE method for Lucy to utilize current technology to communicate her research findings?
A) submit and publish her results in online, scientific journals
B) use the postal service to send out flyers to random households
C) e-mail specific companies who might be interested in her new discovery
D) post her results and findings to scientifically-specific Internet blogs
Sending flyers to targeted neighborhoods informs potential customers that company is open for business and prepared to help. Because it's illegal to stuff a flyer into a mailbox without postage. Thus, option B is correct.
What is postal service?A system for moving postcards, letters, and packages physically is known as the mail or post. Although many governments impose limitations on private systems, postal services can be either public or private.
A postal service is a mechanism for transferring mail (letters and packages) between locations. Nowadays, almost anywhere in the world can receive mail.
Mail is delivered by truck, train, ship, or airplane by postal personnel. Mail can also go between nations thanks to cooperation among postal systems worldwide.
Letter carriers deliver the mail to each address at the final location. Numerous mail couriers commute on foot or in little mail trucks.
Therefore, use of postal service to send out flyers to random households.
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What does a karyotype show?
Final answer:
A karyotype shows the number, shape, and size of chromosomes in an individual's cells. Genetic abnormalities such as extra or missing chromosomes, large DNA deletions or insertions, and translocations can be identified through a karyotype. Examples of genetic disorders that can be diagnosed with a karyotype include Down Syndrome and Turner Syndrome.
Explanation:
A karyotype is a visual representation of an individual's chromosomes. It shows the number, shape, and size of chromosomes in a person's cells. By examining a karyotype, geneticists can identify genetic abnormalities such as extra or missing chromosomes, large deletions or insertions of DNA, and translocations. For example, Down Syndrome is characterized by a third copy of chromosome 21. Turner Syndrome, on the other hand, is characterized by the presence of only one X chromosome in women instead of two.
Which type of mutation results in a base pair within a DNA sequence being replaced with a different pair?
Deletion
Substitution
Inversion
Translocation
Translocation is the type of mutation result in a base pair within a DNA sequence that is replaced with a different pair.
Answer:
Substitution
Explanation:
Substitution is a type of mutation where one base pair is replaced by a different base pair.
Translocation is a genetic change in which a piece of one chromosome breaks off and attaches to another chromosome.
A population of tree-climbing lizard live on one bank of a large river. The other bank of the river is a treeless prairie. During a flood, 40 lizards were transferred to the prairie side of the river. After 200 generations, this transferred population of lizard lost the ability to climb. Which mechanism is MOST likely responsible for this loss of function within the transferred population?
A) mutation
B) genetic drift
C) natural selection
D) gene flow
Final answer:
Genetic drift is the most likely mechanism responsible for the loss of climbing ability within the transferred population of lizards. So, the correct answer for the question is option (B) Genetic drift.
Explanation:
The mechanism most likely responsible for the loss of climbing ability within the transferred population of lizards is genetic drift. Genetic drift is a random and uncontrollable process in which certain individuals leave more offspring than others due to chance. In this case, the 40 lizards transferred to the prairie side of the river experienced genetic drift over 200 generations, leading to the loss of the climbing ability trait.
The motion of a fish swimming in a fish tank is in example of what type of energy
Kinetic energy, because kinetic energy is energy in motion/action
The motion of a fish swimming in a fish tank is an example of kinetic energy.
How do fish swim in a fish tank?Fish having caudal fins and tail help to move in water by swishing their tail side by side this action propels the fish like a boat.
Kinetic energy is the energy of motion of an object, with every moving thing having kinetic energy.
Fish gates energy from food and convert it into another point like mechanical energy. Fish swim by flexing their body back and forth in the water, stretching their muscles on one side and that time relaxing their muscles from the other side moving their body into the water. Fish use their caudal fin which helps them push through the water.
Therefore, in a fish tank, the motion of a fish swimming is a type of kinetic energy.
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Which of the following is nothuman-caused groundwater pollution?
Answer:
D
Explanation:
D is the only option where the cause of the pollution is not something man-made.
Answer:
The correct answer would be option D.
Explanation:
Large natural reservoirs or source of water below the surface of the Earth is known as the aquifer. The aquifers have become badly polluted because of several reasons, especially human-caused water pollution. But there are few natural processes too that pollute it and make it very unsafe.
Some rocks have toxic metals like mercury and arsenic in them. If such toxic metals get dissolved in water they will make water toxic and lethal.
Thus, the correct answer would be option D.
Dale makes a model of part of an elemental solid by attaching balls to each other with rods. His model looks something like the following image:
How could Dale improve his mode
A.
by using springs instead of rods to allow the model atoms to vibrate in their positions
B.
by using strings instead of rods to allow the model atoms to move more freely
C.
by using different sizes of balls to represent different kinds of atoms
D.
by using cotton balls instead of hard balls to allow the model atoms to change size
Answer:
by using springs instead of rods to allow the model atoms to vibrate in their positions
Explanation:i got it correct
Answer: Option A
Explanation:
The strong inter molecular forces that is found in solids does not allows the atoms to move out of the solid but it allows them to vibrate on its position.
The atoms in the solid are joined together by strong inter molecular forces that does not allows the atoms to move out of the bond but due to kinetic energy the atoms keeps them vibrating even if they remain in their position.
Hence, the correct answer is option A because the model must have been substituted with a spring inspite of rods.