Question

What main advantage did coal have over wood as a fuel source?

Answer 1

Answer:

Coal has lots of energy in it. When it is burned, coal makes heat and light energy. The cave men used coal for heating, and later for cooking. Burning coal was easier because coal burned longer than wood and, therefore, did not have to be collected as often.

Answer 2

Answer:

Coal has lots of energy in it. When it is burned, coal makes heat and light energy. The cave men used coal for heating, and later for cooking. Burning coal was easier because coal burned longer than wood and, therefore, did not have to be collected as often.

Explanation:

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