Heating, cooling, and lighting buildings consumes about _____ of the energy used in modern societies.
a. one-fifth
b. one-fourth
c. one-third
d. one-half
e. two-thirds
Answer: C
Heating, cooling, and lighting buildings consumes about _____ of the energy used in modern societies.
a. one-fifth
b. one-fourth
c. one-third
d. one-half
e. two-thirds