1. Which of the following statements provides evidence of how petroleum has influenced human activity?
A. The availability of petroleum changed the way people fueled steam engines.
B. The availability of petroleum changed the way people heat their homes.
C. The availability of petroleum has become the largest source of electricity generation.
D. The availability of petroleum increased the use of cars, trucks, and planes.
2. Why is oil considered a fossil fuel?
a. It is found far below the ground.
b. It was formed from ancient plants and animal remains.
c. It is nonrenewable energy resource.
d. It is used to provide electricity.
3. Suppose that a report shows that, for a given year, the levelized cost of energy (LCOE) of new construction projects is expected to be $0.0545 per kWh for solar energy and $0.0995 per kWh for geothermal energy. Which form of energy has a better LCOE?(1 point)
A. geothermal energy, because the LCOE implies higher total production
B. geothermal energy, because the dollar amount per kWh is higher
C. solar energy, because the dollar amount per kWh is lower
D. solar energy, because the LCOE implies lower capital and operating costs
4. A company decides to switch to solar energy to produce electricity for their building. Why might they have made this decision? Select the two correct answers.
A. Solar energy systems have minimal environmental effects.
B. Solar energy does not produce air pollutants or carbon dioxide.
C. Solar energy is the most consistent form of power.
D. Solar energy is the only renewable resource that produces electricity.
E. Solar energy has no known challenges with implementation.
F. Use the chart to answer the question.
5. Annual Emissions from the Electric Power Industry in Oklahoma
Year Carbon Dioxide (Metric Tons) Sulfur Dioxide (Metric Tons) Nitrogen Oxides (Metric Tons)
1995 43,174,445 114,317 83,201
2015 41,626,050 60,943 29,381
A. Greenhouse gas emissions decreased.
B. Gases that contribute to smog increased.
C. Greenhouse gas emissions increased.
D. Gases that contribute to smog decreased.
6. What effect does melting sea ice have on the atmosphere?
A. The atmosphere gets warmer because sea ice releases heat as it melts.
B. The atmosphere gets cooler because there is more ocean water to absorb heat.
C. The atmosphere gets cooler because ocean temperatures decrease.
D. The atmosphere gets warmer because there is less sea ice to reflect the sun's rays.
7. Which of the following statements about ozone are true? Select the two correct answers
A. Ozone in the upper atmosphere protects Earth from the sun's rays.
B. Ozone is helpful for reducing smog levels.
C. Ozone at ground level is harmful to human health.
D. Trees and plants help to decrease levels of ozone in the atmosphere.
E. Most ground-level ozone is released by vehicles.
Please answer all of them
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1. What is soil salinization?
A. the accumulation of salt in the soil
B. the accumulation of nutrients in the soil
C. the reduction of salt in the soil
D. the reduction of nutrients in the soil
2. the reduction of nutrients in the soil
A. water used in production of services and goods that consumers need and enjoy
B. water used or consumed by an individual or group of individuals
C. water that has not yet fallen to Earth as precipitation and cannot be seen
D. water with low oxygen levels as a result of agricultural runoff from fields and feedlots
1. A. the accumulation of salt in the soil
2. B. water used or consumed by an individual or group of individuals.
water used in food production
water used in energy production
1. D. The availability of petroleum increased the use of cars, trucks, and planes.
2. B. It was formed from ancient plants and animal remains.
3. C. solar energy, because the dollar amount per kWh is lower
4. A. Solar energy systems have minimal environmental effects. B. Solar energy does not produce air pollutants or carbon dioxide.
5. A. Greenhouse gas emissions decreased.
6. D. The atmosphere gets warmer because there is less sea ice to reflect the sun's rays.
7. A. Ozone in the upper atmosphere protects Earth from the sun's rays. C. Ozone at ground level is harmful to human health.
Thank you for letting me know. Here are the answers to your additional questions:
Water used in food production:
A. water used in production of services and goods that consumers need and enjoy
Water used in energy production:
A. water used in production of services and goods that consumers need and enjoy