1.what do plastic bags, building materials, tires, and water have in common?
a.
they are all natural materials.
c.
they are all man-made materials.
b.
they can all be reused.
d.
they are non-renewable resources.

2.this environmental strategy includes using solar and wind power.

3.this environmental strategy includes recycling and buying recycled products.

4.recovering materials from waste

5.how are electric cars good for the environment?
a.
they use more fossil fuels.
c.
they produce less pollution.
b.
they produce less energy.
d.
they use more gasoline

6.which of the following is an important environmental strategy?
a.
drinking less water
c.
adopting stray animals
b.
using pesticides
d.
protecting habitats

7.people can reduce waste by using products that are
a.
nonrenewable.
c.
biodegradable.
b.
fossil fuels.
d.
exotic.

8.this environmental strategy includes asking the government to protect endangered species.

9.the process of recovering valuable or useful materials from waste or scrap is called
a.
recycling.
c.
rebuilding.
b.
renewing.
d.
reducing.

10.because conservation means using fewer natural resources and reducing wastes, it
a.
slow overpopulation and grow food.
b.
prevent habitat destruction and reduce pollution.
c.
prevent biodiversity and destroy species.
d.
stop exotic species and create habitats.