What is an example of an energy source that is renewable and has less environmental impact than fossil fuels?

coal

crude oil

natural gas

bioenergy

 

 

How is the sun's energy production different from the process in which energy is produced in current nuclear power plants?

The sun releases energy through nuclear fission, whereas our current nuclear power technology releases energy through nuclear fusion.

Both the sun and nuclear power plants release energy through the chemical reaction of uranium and hydrogen.

The sun releases energy through nuclear fusion, whereas our current nuclear power technology releases energy through nuclear fission.

Both the sun and nuclear power plants release energy through the chemical reaction of hydrogen and helium.

 

 

 

Which of these statements is NOT true of wind power?

Wind speeds--and therefore power generation--are greater over water.

Wind power has a better EROI ratio than do nuclear power, coal, or natural gas for electricity production.

Wind turbines take up large amounts of land that is then unsuitable for other purposes.

Enough wind is present in the United States to provide all of the U.S. electricity needs.

 

 

 

What is the process behind tidal energy?

the back and forth movement of the daily tidal cycle

electricity generated by the rise and fall of tides

the difference between high and low tides

waves rushing back and forth as a result of tides

 

Hydropower uses the __________ energy of water to generate electricity.

nuclear

potential

static

kinetic

 

 

What is the basis for the use of hydrogen fuel cells?

It is an example of a renewable energy source in action.

It has not been demonstrated to work for powering vehicles.

It will result in the release of pollution to the atmosphere.

It is extremely energy-efficient.

 

What is electrolysis?

the splitting of water into component hydrogen and oxygen

increasing the efficiency of wind turbines

the generation of energy from wave motion

the conversion of sunlight into electricity in a PV cell

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Status NEW Posted 26 Apr 2017 02:04 AM My Price 8.00

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