What term denotes the percentage of open space or voids in a material?

What will be an ideal response?


porosity

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

Someone who says that “the wind direction today is south” likely means that the wind is blowing toward the south

a. True b. False

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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.

Environmental & Atmospheric Sciences