Drawbacks to the use of coal-based alternative fuels include all of the following except
A. it will significantly reduce the life expectancy of coal reserves.
B. it will increase demand for conventional crude oil.
C. it will increase environmental problems already associated with the mining and burning of coal.
D. its production generates large amounts of carbon dioxide.
Answer: B
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Select the choice that correctly states the best priority for use of non-renewable resources, such as metals and plastics, from the environmentally sustainable perspective
a. recycle, reuse, reduce b. reuse, reduce, recycle c. reduce, reuse, recycle d. reduce, recycle, refuse e. repurpose, recycle, remake
Explain the general types of volcanoes that occur on Earth
What will be an ideal response?
Maps of geologic or other land characteristics provide a quick means of assessing suitability of broad areas for specific land uses.
Answer the following statement true (T) or false (F)
About ____ of the world's people are at risk from malaria
a. two million b. 10 percent c. 1 billion d. 25% e. Half