______________ energy, which includes coal, oil and natural gas, supply about 80 percent of the world’s energy.
Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
______________ energy, which includes coal, oil and natural gas, supply about 80 percent of the world’s energy.
A. Renew
B. Renewed
C. Renewable
D. Non-renewable