which of the following best describes how an anthropogenic activity can increase ocean acidification?
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[Solved] Question 1 Which of the following best describes how an anthropogenic activity can increase ocean acidification?
Answer to Question 1 Which of the following best describes how an anthropogenic activity can increase ocean acidification? Emissions from power plants that
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Question 1 Which of the following best describes how an anthropogenic activity can increase ocean acidification?
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Question 1 Which of the following best describes how an anthropogenic activity can
increase ocean acidification? Emissions from power plants that burn fossil fuels
increase atmospheric carbon dioxide, which is absorbed by the ocean. A... Show more
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Environmental Science
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APES Unit 9 Flashcards
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APES Unit 9
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Which of the following best describes the effect of temperature on the chemical reactions that result in ozone layer depletion?
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Low temperatures create polar stratospheric clouds that lead to the production of free radicals of chlorine, which result in the breakdown of ozone at the beginning of the antarctic spring.
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Which of the following describes a negative effect of substituting hydrofluorocarbons (HCFCs) for chlorofluorocarbons (CFCs) in an effort to reduce ozone depletion?
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Some type of hydrofluorocarbons are greenhouse gases that contribute to global climate change.
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Which of the following best describes the effect of temperature on the chemical reactions that result in ozone layer depletion?
Low temperatures create polar stratospheric clouds that lead to the production of free radicals of chlorine, which result in the breakdown of ozone at the beginning of the antarctic spring.
Which of the following describes a negative effect of substituting hydrofluorocarbons (HCFCs) for chlorofluorocarbons (CFCs) in an effort to reduce ozone depletion?
Some type of hydrofluorocarbons are greenhouse gases that contribute to global climate change.
Which of the following best describes the advantage of using hydrofluorocarbons (HFCs) or hydrochlorofluorocarbons (HCFCs) to replace chlorofluorocarbons (CFCs) in industrial processes?
HFCsHFCs and HCFCsHCFCs have lower ozone-depleting potentials than CFCsCFCs do.
Which of the following best describes the importance of ozone in the stratosphere to life on Earth?
Ozone absorbs most of the ultraviolet radiation from the Sun.
Which of the following best identifies the reason that chlorofluorocarbons (CFCs) were banned in 1996 by the Montreal Protocol?
CFCsCFCs led to the destruction of stratospheric ozone.
Stratospheric ozone (O3) is essential for life to exist on Earth because it
absorbs incoming solar UV-CUV-C radiation, preventing exposure to dangerous radiation from the Sun
Based on the diagram, which of the following best illustrates how the biosphere can affect global climate change?
Producers use solar energy for photosynthesis, decreasing the amount of carbon dioxide in the atmosphere and increasing the amount of carbon sequestered in plant tissue.
Based on the diagram, which of the following best predicts how an increase in greenhouse gases would affect the ocean?
The oceans would be warmed because of increased solar radiation being absorbed by the water, causing expansion and sea level rise.
Which of the following best describes the greenhouse effect on Earth?
Greenhouse gases trap heat near Earth's surface, keeping the average surface temperature constant.
Which of the following best describes why water vapor, a greenhouse gas, is not considered a significant contributor to global climate change?
Water vapor has a relatively short residence time in the atmosphere.
Sixty-five percent of global greenhouse gas emissions are made up of carbon dioxide, while only sixteen percent are made up of methane gas.
Which of the following best explains why scientists are increasingly concerned about the effect of methane gas emissions on global climate if they are a relatively small percent of greenhouse gases released?
Methane gas has a higher global warming potential (GWPGWP) than carbon dioxide does, so it can trap more heat in the atmosphere.
Based on the data above, which of the following best supports the hypothesis that the Arctic (latitudes greater than 66°N) experienced accelerated warming compared to the rest of the planet from 2011 to 2017 ?
The largest areas with surface-temperature changes greater than a 4°C4°C increase are found in the Arctic.
Based on the data above, which of the following is the most likely conclusion of a study addressing the following scientific question.What will happen to methane levels in the atmosphere at 60°N to 75°N latitude from 2018 to 2027 if the trend from 2011 to 2017 continues?
Methane levels in the atmosphere will increase because melting or thawing permafrost will lead to an increase in the amount of organic matter that will decompose.
Based on the data above, which of the following hypotheses about the future conditions in the Arctic is most plausible if the trend seen from 2011 to 2017 continues?
The albedo will decrease.
Which of the following types of releases of greenhouse gases from an anthropogenic source is shown in the diagram?
Industrial and agricultural practices releasing CH4CH4 into the atmosphere
Which of the following environmental problems is most directly linked to ocean warming?
Coral bleaching
Which of the following best describes the primary cause of global ocean warming?
Increased global temperature from an increase in greenhouse gases in the atmosphere
Which of the following best describes how an anthropogenic activity can increase ocean acidification?
Emissions from power plants that burn fossil fuels increase atmospheric carbon dioxide, which is absorbed by the ocean.
Which of the following events would most likely lead to a decrease in the pH in the oceans?
What is Ocean Acidification?
Ocean acidification refers to a reduction in the pH of the ocean over an extended period time, caused primarily by uptake of carbon dioxide (CO2) from the atmosphere.
What is Ocean Acidification?
What is Ocean Acidification? Ocean acidification refers to a reduction in the pH of the ocean over an extended period of time, caused primarily by uptake of carbon dioxide (CO2) from the atmosphere.
What is ocean acidification? Watch our video for a quick overview.
For more than 200 years, or since the industrial revolution, the concentration of carbon dioxide (CO2) in the atmosphere has increased due to the burning of fossil fuels and land use change. The ocean absorbs about 30 percent of the CO2 that is released in the atmosphere, and as levels of atmospheric CO2 increase, so do the levels in the ocean.
When CO2 is absorbed by seawater, a series of chemical reactions occur resulting in the increased concentration of hydrogen ions. This increase causes the seawater to become more acidic and causes carbonate ions to be relatively less abundant.
Carbonate ions are an important building block of structures such as sea shells and coral skeletons. Decreases in carbonate ions can make building and maintaining shells and other calcium carbonate structures difficult for calcifying organisms such as oysters, clams, sea urchins, shallow water corals, deep sea corals, and calcareous plankton.
These changes in ocean chemistry can affect the behavior of non-calcifying organisms as well. Certain fish's ability to detect predators is decreased in more acidic waters. When these organisms are at risk, the entire food web may also be at risk.
Ocean acidification is affecting the entire world’s oceans, including coastal estuaries and waterways. Many economies are dependent on fish and shellfish and people worldwide rely on food from the ocean as their primary source of protein.
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More Information
'Acid Test, NOAA's Ocean Today (video)
'Ocean as a Lab: Ocean Acidification,' NOAA's Ocean Today (video)
NOAA Ocean Acidification Program
Ocean Acidification: The Other Carbon Dioxide Problem
NOAA Pacific Marine Environmental Laboratory
Last updated: 02/26/21Author: NOAAHow to cite this article
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