Question

which of the following is a disadvantage of using coal for energy? it is easy to transport in solid, liquid, or gaseous form. it releases pollutants and greenhouse gases when it burns. it is energy dense which means you get a lot of energy from it per unit. it is cheap which is better for your wallet.

Explanation:

To determine the disadvantage of using coal for energy, we analyze each option:

• "It is easy to transport in solid, liquid, or gaseous form." This is an advantage as easy transport is beneficial.
• "It releases pollutants and greenhouse gases when it burns." Releasing pollutants and greenhouse gases is harmful to the environment, so this is a disadvantage.
• "It is energy dense which means you get a lot of energy from it per unit." High energy density is an advantage.
• "It is cheap which is better for your wallet." Low cost is an advantage.

Answer:

It releases pollutants and greenhouse gases when it burns.