Clays can remain suspended in the water column for decades before settling due to their small size
a. True
b. False
True
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Which have the longest wavelengths when traveling in a vacuum?
A. X-rays. B. Light. C. Radio waves. D. all the same
Famines can occur when overall levels of food availability are adequate
Indicate whether this statement is true or false
All of the following are true regarding sunspot activity EXCEPT
A. The Little Ice Age occurred when there was a minimum of sunspot activity. B. Solar flares are more common with maximum sunspot activity. C. There is, on average, an 11 year cycle for sunspot cycles. D. More sunspot activity means less overall energy emitted from the sun.
The Deepwater Horizon event was ________
A) a volcanic eruption B) an explosion on an offshore drilling platform C) an underwater earthquake D) a large wildfire in Montana E) eventually shown not to have serious ecological consequences