Global Connection: Water Management and Katrina — Cumulative exam Answers

Which is an advantage to using nonrenewable resources?

How does biofuel use differ from solar, wind, and geothermal energy use?a.Biofuels can have a more widespread use.b.Biofuels are less damaging to the environment.c.Biofuels are not a renewable energy source.d.Biofuels cannot be used as an energy source.

Hydrogen fuel cells burn with _______ and produce _______.a.water, oxygenb.oxygen, waterc.carbon dioxide, oxygend.oxygen, carbon dioxide

What is true for solar, wind, and geothermal energy?a.Their use is dependent on location.b.They are all environmentally friendly alternatives to burning fossil fuels.c.They are all renewable resources.d.All of the above

Which is a possible negative result of using renewable resources?

What is an advantage to alternative energy technology?a.Using alternative energy technology increases the demand for fossil fuels.b.Most alternative energy technologies use nonrenewable resources.c.Alternative energy technology can reduce the environmental impact of burning fossil fuels.d.There is no advantage to using an alternative energy technology.

Which of the following is a possible cost of using renewable resources?a.loss of animal speciesb.land degradationc.lower availability of freshwaterd.all of the above

How might a dependence on fossil fuels lead to international security risks?a.The greater demand for fossil fuels with decreasing supplies could lead to an increase in competitive action over limited resources.b.A dependence on fossil fuels could lead more countries to produce oil, leading to greater competition for sales.c.An increase in dependence on fossil fuels could lead to lower costs for oil, causing disputes between producer and consumer countries.d.All of the above

Which is true of solar, wind, and geothermal energy?

Why might it be advantageous to use nonrenewable resources over renewable resources?a.The use of nonrenewable resources can be cheaper and more efficient than the use of renewable resources.b.Nonrenewable resource use has a lower impact on the environment than renewable resource use.c.Nonrenewable resources are always more readily available than renewable resources.d.All of the above