Solar, wind, nuclear, and hydroelectric energy sources are similar in which of the following ways?

A. They are all nonrenewable energy sources.
B. They all require an indirect use of sunlight in order to make electricity.
C. They are all considered alternative energy sources.
D. They all require turbines to spin in order to create electricity

the answer isnt C. so i think D. @ganeshie8

Question

Solar, wind, nuclear, and hydroelectric energy sources are similar in which of the following ways? 

A. They are all nonrenewable energy sources. 
B. They all require an indirect use of sunlight in order to make electricity. 
C. They are all considered alternative energy sources. 
D. They all require turbines to spin in order to create electricity

the answer isnt C. so i think D.  @ganeshie8

ganeshie8 · Answer

petrol/coal are nonrenewable energy sources so strike off A

ganeshie8 · Answer

hydroelectric is not considered as alternative energy source - so strike off C

anonymous · Answer

ok so its not C or H

anonymous · Answer

i mean A. not H

ganeshie8 · Answer

eventhough Sun is the source for all energy on earth, i wouldnt tick B

ganeshie8 · Answer

i go wid D

anonymous · Answer

Wait, nuclear has fissions, not turbines... :o

anonymous · Answer

Plus, solar energy is collected by solar panels, not turbines.