Question

How does the use of hydroelectric energy compare to the use of coal?

a.
Hydroelectric energy is more commonly used than coal.
b.
Hydroelectric energy is associated with less waste production than coal.
c.
Hydroelectric energy has a larger environmental impact than coal use.
d.
Hydroelectric energy requires more land space than coal use.

Answer 1

Currently, Coal is widely used because it's cheaper.

hydroelectric energy is more expensive (to build) but it has much much less waste, and no carbon emissions unlike coal

rest options are false.

Answer 2

B.) Hydroelectric energy is associated with less waste production than coal.

Step-by-step explanation:

While coal produces ash, CO2, CO, NOx, SOx, and many other waste products, hydroelectric energy has no waste products and doesn't pollute the environment.