Energy Review

Which is the greatest negative effect of obtaining hydroelectric power?

• flooding

• air pollution

• radioactive waste

The use of which energy source causes the most damage to the environment?

• fossil fuels

• biomass

• wind

Which is an environmental consequence of using biomass as a source of energy?

• There are no environmental consequences for using biomass as a source of energy

• Biomass creates harmful emission of carbon and sulfur, and causes massive cutting of trees.

• Biomass has a great impact on the temperature of fresh water and the amount of dissolved oxygen.

Greenhouse gases are often produced as a result of obtaining and using fossil fuels. Which greenhouse gas most likely has the greatest impact on global warming?

• carbon monoxide

• carbon dioxide

• methane

Which best explains the environmental consequences associated with generating hydroelectric power?

• Hydroelectric dams produce large amounts of oxygen.

• Reservoirs are also used for water sports and recreation.

• Reservoirs cause habitat disruption of surrounding areas.

• Hydroelectric dams produce large amounts of carbon dioxide.

Which is considered to be an important source of energy worldwide which may impact plant growth?

• biomass

• geothermal

• hydroelectricity

Which energy source is renewable?

• oil

• coal

• wind

Which of these is an environmental benefit of converting to solar energy?

• a decrease in air pollution

• an increase in the cost of energy

• an increase in the use of fossil fuels

• a decrease in electrical energy production

Which is a nonrenewable ocean resource?

• oil

• salt

• fish

• water

Which would most adversely affect hydroelectric power?

• frost

• drought

• shortage of uranium