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Flashcards: Use science ideas to protect Earth's resources

Jinger was researching water sources on Earth and learned that only 3% of Earth's water is freshwater. She also read that this resource is becoming polluted in a significant way. Which answer choice(s) demonstrates a rational solution to the water pollution problem?

Apply lawn and garden chemicals sparingly and according to directions.

Dispose of used oil, antifreeze, paints, and other household chemicals properly.

All of the answer choices are correct.

Keep litter, pet wastes, leaves, and debris out of street gutters and storm drains.

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Flashcards: Use science ideas to protect Earth's resources

Your answer:

Apply lawn and garden chemicals sparingly and according to directions.

Your answer:

Dispose of used oil, antifreeze, paints, and other household chemicals properly.

Your answer:

Keep litter, pet wastes, leaves, and debris out of street gutters and storm drains.

Correct answer:

All of the answer choices are correct.

Explanation:

Jinger is very proactive in thinking of ways that she can reduce her impact on our freshwater resources. With only 3% of the Earth providing necessary freshwater supplies, humans cannot afford to waste or poison the water. Keep litter, pet wastes, leaves, and debris out of street gutters and storm drains to keep sewer systems from being overwhelmed with materials that need to be sorted and cleaned. Disposing of used oil, antifreeze, paints, and other household chemicals properly are essential for lakes and ponds in nearby areas. Water run-off from hosing these materials out of driveways or flushing them down storm drains leads to absorption and spread. Applying lawn and garden chemicals sparingly and according to directions will help to reduce waste and overuse of harmful chemicals that leak into water sources.

Flashcards: Use science ideas to protect Earth's resources

The United States Environmental Protection Agency released a report of the different sources of energy and how much of each was consumed between 1949 and 2017. The EPA reported that:

"From 1949 to 2017, total U.S. energy use roughly tripled. Energy use has risen fairly steadily over time, with the exception of a few noticeable declines in the 1970s, 1980s, and late 2000s, which were largely associated with supply shocks (e.g., the 1973 oil embargo) or economic downturn. In 1949, the U.S. obtained 91 percent of its energy from fossil fuels. Despite the emergence of nuclear power and the growth of renewable sources, in 2017, the nation still relied on fossil fuels for 80 percent of its energy needs. For that year, the largest share (37 percent) of U.S. energy consumed was derived from petroleum (including gasoline), followed by natural gas (29 percent) and coal (14 percent). Recent years have seen increases in some sources of energy (natural gas and renewables) and decreases in others (petroleum and coal)."

Screen shot 2020 06 24 at 3.05.30 pm

Burning coal, oil, and gasoline give off sulfur, nitrogen, and carbon into the air. These emissions combine with water vapor in the clouds and make acid – sulfuric, nitric, and carbonic acid. The wind carries acidic clouds, sometimes thousands of miles. They fall to Earth as acid rain or snow. How can the effects of these emissions be decreased?

Source: https://cfpub.epa.gov/roe/indicator.cfm?i=93

Driving more gasoline-powered cars

Using electricity derived from wind, water, or solar power

Increase carbon, sulfur and nitrogen use

Using coal to power trains, planes, and cars

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Flashcards: Use science ideas to protect Earth's resources

The United States Environmental Protection Agency released a report of the different sources of energy and how much of each was consumed between 1949 and 2017. The EPA reported that:

Screen shot 2020 06 24 at 3.05.30 pm

Source: https://cfpub.epa.gov/roe/indicator.cfm?i=93

Your answer:

Driving more gasoline-powered cars

Your answer:

Increase carbon, sulfur and nitrogen use

Your answer:

Using coal to power trains, planes, and cars

Correct answer:

Using electricity derived from wind, water, or solar power

Explanation:

Energy consumption and the sources used to feed this every growing need are a constant battle and concern in the United States. Reliance on renewable resources would limit the use of petroleum, natural gas, and coal, which are nonrenewable fossil fuels. These resources take millions of years to replenish, and our supply is slowly running out. Renewable resources like hydroelectric power, solar power, and wind power are all options that are a financial investment to start but cost less over time, have a dramatically less negative impact on the Earth, and do not run out. The idea to increase the reliance on renewable sources and decrease the dependence on nonrenewable sources is a scientifically based idea that is reasonable and may work. Using electricity derived from wind, water, or solar power will be beneficial to decreasing emissions.

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Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

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Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

Flashcards: Use science ideas to protect Earth's resources

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DMCA Complaint

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