Q.1.
Coal, oil and natural gas can be described how?
Q.2.
What form of power uses heat from below ground?
Q.3.
How are coal, oil and natural gas collectively known?
Q.4.
Which problem is not caused by burning fossil fuels?
Q.5.
Bauxite is a mineral that can be made into what?
Q.6.
Which of these is not a natural resource?
Q.7.
Trees give out which gas?
Q.8.
The letters HEP refer to what type of power?
Q.9.
Which of these is not a biomass fuel?