Explain how fossil fuels originated, and why this process results in them being considered nonrenewable resources.
Explain how fossil fuel use in the US makes us vulnerable to the demands of foreign countries.
Cyanobacteria have been genetically modified to produce _______.a.oilb.natural gasc.isobutanold.none of the above
Distinguish between the fossils of ice age mammals found in the La Brea Tar Pits and the organisms that make up the fossil fuels of the tar.
The US consumes almost _______ of timber annually.a.5 million cubic feetb.20 billion cubic feetc.40 billion cubic yardsd.30 million cubic yards
Explain how humans react and adapt to the limited availability of water.
Which of the following is an example of a natural resource?a.waterb.icec.oxygend.all of the above
Which of the following best explains why air is considered a natural resource?a.Air is expensive to produce and keep clean.b.Air is a raw material for biological processes supplied by the Earth.c.Air can be processed to generate expensive chemicals.d.None of the above
If the US modifies techniques for timber management, it is expected that US forests will _______. a. not be able to meet long term timber needs b. be able to meet long term timber needs c. result in deforestation d. provide increasingly cheaper timber Please select the best answer from the choices provided
Explain the difference between actual and potential resources and why the distinction is important. Do the same for renewable and nonrenewable resources.
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