Discuss the relative merits of coal and nuclear power as energy supplies for the 21st century
What will be an ideal response?
Answer: Coal is fairly abundant and there are still large reserves in many countries, including the United States. Also, coal is very cheap to obtain. Nuclear energy supplies a lot of power with a very small amount of material, making it a very abundant energy source.
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Recycling aluminum is most important for
A. Saving energy B. Reducing pollutants in the air and water C. Saving landfill space D. Saving raw materials (the ore) E. All of these
The anti-clotting properties of aspirin are not affected by which of the following?
A) acetaminophen B) ibuprofen C) indomethacin D) all of them
Large boulders scattered in and on the surface of glacial deposits or on glacially scoured bedrock are called _______________ if the rock they consist of differs from the local bedrock
Fill in the blank(s) with correct word
Features associated with ancient continental rift zones include andesite volcanoes and strike slip faulting.
a. true b. false