What would be the best question to ask in order to immediately determine whether or not an energy resource is renewable?

a. How long until it runs out?
b. How many people use it?
c. How much energy does it produce?
d. How long has it been used?

a. How long until it runs out?

If Harrison wants to use only containers that come from renewable resources, which of the containers should he use?

a
either the glass bottle or the aluminum cup, because they both come from renewable resources
b
either the paper cup or the plastic bottle, because they both come from renewable resources
c
the paper cup, because it is the only container that comes from a renewable resource
d
the plastic bottle, because it is the only container that comes from a renewable resource

c. The paper cup, because it is the only container that comes from a renewable resource.

Which of the following is a nonrenewable source of energy?

a
energy from the Sun
b
wind energy
c
geothermal energy
d
energy from burning coal

d. Energy from burning coal.

Which statement gives the best explanation about what will happen to the global oil reserves as time goes on?

a
The global oil reserves will turn into alternative forms of fuel.
b
The global oil reserves will continue to increase.
c
The global oil reserves will remain relatively steady.
d
The global oil reserves will continue to decrease.

d. The global oil reserves will continue to decrease.

Which of the following is NOT a method of limiting soil erosion on farmland?

a
contour plowing
b
terracing
c
crop rotation
d
overgrazing

d. Overgrazing.

Loss of topsoil may lead to the pollution of rivers and streams by

a
decreasing nutrients.
b
decreasing erosion.
c
increasing cropland.
d
increasing runoff.