Unit Test — Unit test

Question 1

What is the sequence of energy transformations that occur in a nuclear reactor?

Revolt · Accepted Answer

nuclear energy thermal energy mechanical energy electrical energy

Question 2

Which of the following is not a technology that can be used to conserve resources?a.hydropowerb.volcanic powerc.natural gasd.geothermal

Revolt · Accepted Answer

C

Question 3

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels?a.It is an inherently renewable fuel source.b.Multiple processing steps can be avoided.c.They produce chemical energy through photosynthesis.d.They make a biofuel alternative to gasoline.

Revolt · Accepted Answer

B

Question 4

How can reduced precipitation lead to limited water availability?a.Reduced precipitation leads to overuse.b.Precipitation is a nonrenewable resource.c.Reduced precipitation is a global event.d.Reduced precipitation may lead to drought.

Revolt · Accepted Answer

D

Question 5

Which of the following statements about resource use is true?a.The use of renewable resources has no inherent costs.b.Resource use, whether renewable or nonrenewable, must be carefully managed to reduce the impact on the environment.c.Nonrenewable resources are used for energy, because there are no renewable resources that can be used as a source of energy.d.The overuse of nonrenewable resources is less environmentally damaging than the overuse of renewable resources.

Revolt · Accepted Answer

B

Question 6

Which energy transformation occurs in the core of a nuclear reactor?

Revolt · Accepted Answer

nuclear energy thermal energy

Question 7

Which of the following statements about human society and limiting factors is true?a.Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem.b.Humans cannot modify their environment to adapt it to their needs.c.Humans can completely overcome the factors that limit population size.d.Limiting factors are of no concern to human society, because they do not affect human populations.

Revolt · Accepted Answer

A

Question 8

Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies? a. Smaller societies have a smaller demand for resources. b. Smaller societies can be governed by internal controls more effectively than larger societies. c. Smaller societies rely more heavily on legislation and military forces. d. Smaller societies tend to have stronger interpersonal relationships. Please select the best answer from the choices provided

Revolt · Accepted Answer

C

Question 9

What two countries have nearly 50% of global coal reserves?a.United States and Canadab.United States and Russiac.Brazil and Russiad.Brazil and Canada

Revolt · Accepted Answer

B

Question 10

Which of the following statements about using geothermal energy is not true?a.Geothermal energy can be used to fuel vehicles.b.Geothermal energy can be used as a source of electricity.c.Geothermal energy can be used as a source of heat.d.Geothermal energy is a renewable resource.

Revolt · Accepted Answer

A

Unit Test — Unit test Answers

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