Unit Test — Cumulative exam Answers

25 verified answers4 views

Fossil fuels are an important natural resource used by society. Which of the following best describes fossil fuels?

They are any liquid fuel derived from once-living matter.

They are organic fuels derived from ancient plants and animals.

They are fuels in which dinosaur fossils are commonly found.

They are naturally occurring inorganic fuels like coal and petroleum.

The trend of declining ecosystem resource availability and increasing demand for these resources can best be countered by _______.

increasing the supply of ecosystem resources

decreasing the demand for ecosystem resources

applying sustainable development practices

developing new technologies for resource collection

When is the carbon stored in plants released?

during cellular respiration

during photosynthesis

when they die

none of the above

Which of the following is true concerning sources of water pollution?

Mine wastes and heavy metals become water pollution through storm water runoff.

Biodegradable materials like food, wood, and leaves are not considered pollution.

Petroleum byproducts and fuels end up as pollution principally from oil spills.

Pesticides and herbicides do not commonly become water pollutants.

Using water more efficiently _______.

protects the environment

causes the loss of natural pollution filters

increases water contamination

all of the above

Did you find these answers helpful?

More from this Course