Environmental Science Spring Semester Review

What might the continued burning of fossil fuels do for future generations?

• increase atmospheric oxygen available to organisms

• increase the amount of fixed nitrogen available for plants

• decrease the necessity of plants performing photosynthesis

• contribute to the rising temperature of the planet

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NGSS.HS-ESS2-4

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NGSS.HS-ESS3-5

Which of the following is the best solution to meet energy demands while protecting the environment?

• grow more corn to produce ethanol

• build more nuclear power plants

• find and burn new sources of oil and coal

• improve energy efficiency and reduce energy waste

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Scientists collect data regarding Earth's surface temperature over the last 900,000 years using direct and indirect methods. If they construct a graph of this data, which statement best describes the graph?

• The graph would show steady temperatures followed by a sharp curve down as temperatures cooled.

• The graph would start low, and then curve upward significantly to show a rapid rise in average temperatures.

• The graph would have a fairly straight line with a sharp curve upward to show recent rising temperatures.

• The graph would have both highs and lows to show the periods of warm and cool temperatures.

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NGSS.HS-ESS2-4

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The main chemicals responsible for the ozone hole are

• sulfuric acid and nitric acid.

• volatile organic compounds.

• carbon monoxide and carbon dioxide.

• chlorofluorocarbons.

Based on the graph, what is the overall trend of the total amount of carbon emissions being put into the atmosphere over the years?

• Increasing

• Going up and down

• Decreasing

• Staying stable

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How can the planting of new trees help reduce climate change?

• Trees help create breezes.

• Trees release moisture that cools the atmosphere.

• Trees take in carbon dioxide from the atmosphere during photosynthesis.

• Trees block the release of greenhouse gases from soil.

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Which of the following describes the overall trend in this graph?

• The Earth's average temperature is decreasing over time.

• The Earth's average temperature is increasing over time.

• The Earth's average temperature is staying the same over time.

• None of these statements are true.

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What is causing the changes in ocean pH?

• An increase in the use of chlorofluorocarbons

• Holes in the ozone

• Oil spills in the ocean

• Burning fossil fuels

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How have the changes in pH affected the oceanic ecosystems?

• An increase in pH has led to a build up of calcium in the oceans

• A decrease in pH has increased the biodiversity of aquatic ecosystems

• A decrease in pH has led to thinner shells in aquatic animals and destruction of coral reefs, decreasing biodiversity

• Changes in pH have had no effect on the ocean's ecosystems

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How do heat islands occur?

• The sun is attracted to taller buildings.

• Water surrounds the city.

• Roads and buildings absorb and retain heat longer than vegetation does.

• Trees and water absorb and retain heat longer than buildings and roads.