The U.S. government's Energy Star logo program:
a. evaluates old appliances for their energy use.
b. identifies the most energy-efficient equipment.
c. measures overall household utility needs.
d. determines whether gas or electricity is a better form of energy to use.
e. recycles or refurbishes old appliances.
Question 2
Which of the following represents a major threat to the world food supply?
a. increased water supplies
b. decreased atmospheric methane
c. population growth
d. expanding farm lands
e. decreased consumption of grains