1. nonrenewable resources are those that *
1 point
never run out.
take extremely long periods of time to replace.
have limited supplies.
option 2 and 3

2. coal, oil and natural gas are all considered *
1 point
renewable resources.
fossils fuels.
alternative resources.
clean fuels.

3. what are some of the possible environmental impacts of using fossil fuels? *
1 point
mining can disturb land and destroy habitat.
burning fossil fuels creates pollutants that contributes to acid rain and global warming.
nearby waterways can become contaminated in mining processes or spills.
all of the above.

4. which of the following are examples of non-metallic mineral resources that are extremely important in many industrial processes? *
1 point
coal, oil and natural gas
gold and silver
fluorite and sulfur
gneiss and marble

5. alternate energy sources are more enviornmental friendly than fossil fuels because they *
1 point
have lower or no carbon emissions.
use only renewable energy sources.
are cheaper.
are safer.

6. this source of energy is the most abundant in the world, is free and non-polluting. *
1 point
solar
wind
geothermal
nuclear

7. in the process of uranium-235 is split which releases heat energy that can be harnessed to create electricity. *
1 point
nuclear fusion
nuclear fission
nuclear decay
hydroelectric power

8. building a dam stores water in a reservoir behind the dam. this stored water can *
1 point
cause serious flooding anytime it rains.
prevent flooding since the release of water can be controlled through the dam.
be released through the dam to produce electric power.
option 2 and 3.

9. water covers nearly 71 percent of the earth's surface, however only about % of that water is available freshwater. *
1 point
10
6
4
1

10. a leaking storage tank that directly pollutes a stream is an example of a *
1 point
non-point source pollution
point source pollution

11. runoff that carries waste oil from streets is an example of a *
1 point
non-point source pollution
point source pollution

12. the layer of ozone in the stratosphere is important because it *
1 point
traps heat in the lower atmosphere
protects earth from harmful uv radiation
is a main contributor of global warming
is needed for photosynthesis

13. burning fossil fuels increases the amount of greenhouse gases in the atmosphere, specifically carbon dioxide, which leads to *
1 point
a hole in the ozone.
loss of habitat.
acid rain.
global warming.

14. over time, intensive irrigation for farming can lead to , which can make soil useless for plant growth. *
1 point
salinization
acid mine drainage
soil erosion
global warming.

15. what two laws were passed in the 1970's that protect our air and water? *
1 point
clean air act and the national ambient air quality standards
clean water act and clean air act
the resource conservation and recovery act and the safe drinking water act
superfund and endangered species act