Of all the mineral and energy resources in this figure, which is the most important resource in terms of quantity consumed?
A) Natural gas
B) Iron
C) Petroleum
D) Stone
Question 2
Match the type of renewable energy with the source that generates it.
A) Falling water pushes turbines.
B) Organic material can be burned to produce energy.
C) Trapping underground reservoirs of steam and hot water.
D) Turbines are driven by rising and falling levels of coastal water.
1) Geothermal energy
2) Hydroelectric energy
3) Tidal energy
4) Biofuels