What are natural resources?

The USGS estimates that the United States uses less than 200 billion gallons of water a day.

False

Wild animals are not considered a natural resource.

False

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels? a. It is an inherently renewable fuel source. b. Multiple processing steps can be avoided. c. They produce chemical energy through photosynthesis. d. They make a biofuel alternative to gasoline.

b. Multiple processing steps can be avoided.

Fossil fuels are an important natural resource used by society. Which of the following best describes fossil fuels? a. They are any liquid fuel derived from once-living matter. b. They are organic fuels derived from ancient plants and animals. c. They are fuels in which dinosaur fossils are commonly found. d. They are naturally occurring inorganic fuels like coal and petroleum.

b. They are organic fuels derived from ancient plants and animals.

Fish, trees, and animals are important wildlife resources that we depend on for survival. Fish are a main source of food for many of the people in the world. Trees have been used to build and heat homes, make paper, and provide food for centuries. Humans hunt land animals such as deer, fox, antelope, and buffalo for food and other products. What can we do to protect wildlife resources so they will be around for future generations? a. nothing-wildlife resources are renewable and will eventually replenish themselves b. harvest fast-growing trees, impose fishing limits, and impose laws to prevent poaching and illegal hunting c. not use wildlife resources-they are nonrenewable and cannot be replaced d. not allowing fish farming, selected harvesting of younger trees, and laws that do not put a limit on hunting

b. harvest fast-growing trees, impose fishing limits, and impose laws to prevent poaching and illegal hunting

Adjustments to timber management strategies meant to address long-term shortfalls will _______. a. result in immediate increases in available supplies b. lead to initial shortfalls in timber supplies c. initially decrease the cost of timber d. ultimately result in more expensive timber

b. lead to initial shortfalls in timber supplies

Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries? a. The US is a net exporter of fossil fuels. b. Fossil fuels lead to global climate change. c. The US imports much of its petroleum from foreign countries which set the prices. d. All of the above.

c. The US imports much of its petroleum from foreign countries which set the prices.

Water would be considered a _______. a. potential renewable resource b. potential nonrenewable resource c. actual renewable resource d. actual nonrenewable resource

c. actual renewable resource

Which of the following is not an effective way to manage forests and trees? a. planned harvesting b. planting replacements c. clearcutting d. soil maintenance

c. clearcutting

The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource? a. Once coal is used up, it can never be replaced. b. Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth. c. Coal was a renewable resource, until it was mismanaged by humans. d. Coal is considered a nonrenewable resource, because it takes millions of years to form.

d. Coal is considered a nonrenewable resource, because it takes millions of years to form.