Chapter 8, Problem 30R

To determine

To Complete: The given sentence.

Answer to Problem 30R

The sun, wind, water and Earth’s internal heat are renewable energy sources because they are replaced faster than they are used.

Explanation of Solution

Introduction:

The source of energy that can be used continuously is called renewable sources. These sources renew simultaneously with consumption.

The sun is a single source of renewable energy. The energy of the sun converts to solar energy, wind energy, hydro energy and geothermal energy.

Conclusion:

Thus, the sun, wind, water and Earth’s internal heat are renewable energy sources because they are replaced faster than they are used.