What term denotes the percentage of open space or voids in a material?
What will be an ideal response?
porosity
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Which of the following describes how many small-scale processes are dealt with in general circulation models?
A. approximated and modulated B. parameterized and estimated C. approximated and parameterized D. ignored or modulated
What commonly used pesticide caused declines in bird populations in the 1950s and 1960s by weakening the shells of bird eggs?
A) 2,4-D B) Roundup C) Malathion D) DDT
Someone who says that “the wind direction today is south” likely means that the wind is blowing toward the south
a. True b. False
As air temperatures increase, evaporation increases, leading to more condensation and cloud formation. Low, thick cloud cover increases the albedo of the atmosphere, thereby having a cooling effect on Earth. This is an example of a
A) positive feedback loop. B) negative feedback loop. C) neither a positive or negative feedback loop.