contestada

Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution.
A. Using more coal reduces the amount of pollution from using oil.
B. Using coal is relatively inexpensive.
C. Mining coal helps scientists uncover fossils.
D. Using coal, instead of wood from trees, helps conserve trees.

Respuesta :

B, coal is relatively inexpensive compared to the use of renewable energies such as solar and wind. coal also generates more energy in a shorter period of time than renewable energies.

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