Question

4. Which of the following is not a variety of coal?
d. Bituminous
a Lignite
Limonite
b. Anthracite
5. Which of the following power sources is not a non-conventional source of power?
b. Natural gas
a. Solar energy
d. Tidal energy
c. Wind energy​

Answer 1

Answer:

1) limonite is not a variety of coal

Answer 2

Answer:

c) Limonite

Tindal energy

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