What are blowouts? What term describes the process that creates these features?
What will be an ideal response?
Blowouts are shallow depressions on the desert floor caused by deflation. Deflation is the lifting and removal of fine loose sediment by wind.
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Between a cold front and a warm front, we find
A) a cold air mass. B) a dry air mass. C) a warm, moist, and unstable air mass. D) a very stable air mass.
Which of the following variables is not taken into consideration when assigning a Mercalli value?
A. earthquake magnitude B. elevation C. foundation materials D. building Style E. distance from the hypocenter/epicenter
Which of the following is true regarding mass relationships in a chemical reaction?
A) To determine mass relationships in a chemical reaction, you first need to know the balanced chemical equation for the reaction. B) To convert from grams to moles and vice versa, you need to use Avogadro's number as a conversion factor. C) Both a and b are true. D) Both a and b are false.
The present oceans have been created during the last ________.
A. 20 million years B. 2 billion years C. 225 million years D. 2 million years E. 2250 million years