Humans' rapid consumption of natural resources such as fossil fuels and difficulty finding places to put their garbage are symptoms of the underlying problem of
a. lack of awareness of environmental problems.
b. apathy about the environment.
c. overpopulation.
d. illiteracy and lack of education.
Question 2
Several automakers have recently come out with hybrid engines which rely partially on gasoline and partially on electricity. Such innovations are examples of solving environmental problems by
a. improving technology.
b. adopting a sustainable lifestyle.
c. raising awareness of the problem.
d. eliminating our reliance on fossil fuels entirely.
