Question

Fill in the blanks
.... orig
1 Coal, petroleum and natural gas are minerals of
2 The
cells convert sunlight directly into electricity.
3. 20 per cent of the world's electricity comes from
P р
4. The best quality of coal with 90 per cent carbon is
5. Two-third of the world's supply of petroleum is found in the...
6. . is obtained by mixing copper and tin.​

Answer 1

Answer:

1. fossil fuels

2. Solar

3. Wind energy

4. Anthracite

5. Arabian-Iranian sedimentary basin

6. Bronze