Question

question 3 of 10
which statement is true?

a. sustainable energy is energy that is free to all.

b. sustainable energy is energy that does not cost very much.

c. sustainable energy is energy whose source is renewable.

d. sustainable energy is energy that is easy to transport.

Explanation:

Sustainable energy is defined as energy derived from renewable resources (like solar, wind, hydro) that can be replenished naturally. Option A is wrong as sustainable energy isn't "free to all" (e.g., solar panels have costs). Option B is incorrect because cost isn't the defining factor (some renewable energy setups can be costly initially). Option D is wrong as transportability isn't a defining characteristic of sustainable energy.

Answer:

C. Sustainable energy is energy whose source is renewable.