Q.1.
How are coal, oil and natural gas collectively known?
Q.2.
Coal, oil and natural gas can be described how?
Q.3.
Which problem is not caused by burning fossil fuels?
Q.4.
Which of these statements is true?
Q.5.
Which of these is not a natural resource?
Q.6.
What form of power uses heat from below ground?
Q.7.
The letters HEP refer to what type of power?
Q.8.
Trees give out which gas?
Q.9.
Bauxite is a mineral that can be made into what?
Q.10.
Which of these is not a biomass fuel?