SOLUTIONS GRADED A+
● In an apartment building, exhaust from a gas-powered electrical
generator is captured to produce hot water to heat a swimming pool.
Which of the following is illustrated by this process? Answer:
Cogeneration
● CAFO Answer: Concentrated Animal Feeding Operation
● Which of the following describes an environmental problem that can
result from the combustion of fossil fuels to generate electricity?
Answer: Carbon dioxide is a product of the combustion fossil fuels, and
it can lead to global climate change when released into the atmosphere.
● Which of the following best describes an environmental problem
associated with hydrologic fracturing, or fracking? Answer: Fracking
fluids can escape from the drill hole and contaminate surface water and
groundwater.
● A family of four lives in a three-bedroom house and uses an average of
900kWh900kWh of electricity per month. The family cools their house
for three months during the summer with two window-unit air
conditioners that each use 350kWh350kWh of electricity per month.
Which of the following is the percentage of the family's total annual
, electricity that is used to run the two air conditioners for the three
summer months? Answer: 19.4%
● integrated pest management Answer: teaches farmers to use less
pesticides
● Although nuclear energy is considered a cleaner energy source than
fossil fuels, some scientists argue this does not support the claim that
nuclear energy is renewable. Which of the following claims best
supports the argument that nuclear energy is a nonrenewable energy
source? Answer: The uranium deposits on Earth are finite.
● Which of the following is a characteristic of nonrenewable energy
sources that distinguishes them from renewable energy sources?
Answer: Nonrenewable energy sources typically take a longer time to
replenish than renewable energy sources do.
● Which of the following explains why some energy sources are
renewable? Answer: Renewable energy sources can be replenished
naturally, at or near the rate of consumption.
● Which of the following statements correctly explains the role of fossil
fuels in the production of energy? Answer: The combustion of fossil
fuels heats water to produce steam, which then turns a turbine.