Question

How is coal formed and why is it considered a nonrenewable resource??

Answer 1

answer:

Coal is formed by the decomposition of dead plant and animal under the earth for millions of years under heat and pressure.

This leads to the formation of coal.

Coal is termed as non renewable source of energy as it takes millions and thousands of years for the formation of a small quantity of coal.

Answer 2

Coal is considered a non renewable source because the earth cannot replenish it.