The North American realm extends from the polar regions of northern Canada and Alaska all the way south through Mexico and the countries of Central America.

a. true
b. false


b. false

Environmental & Atmospheric Sciences

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In a region of eastern Washington State known as the Palouse, farmers grow wheat on steep, sloped hills. Which of the following agricultural practices might be of greatest benefit in this region?

A) Use of shelterbelts B) Contour strip farming C) Irrigation D) Repeated plowing

Environmental & Atmospheric Sciences

Which ranges for incoming light and UV radiation would be absorbed and scattered the most?

A) 0.2?0.3 microns B) 0.3?0.4 microns C) 0.4?0.5 microns D) 0.5?0.7 microns

Environmental & Atmospheric Sciences

Air masses are classified according to the ________ and ________ characteristics of their source regions

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

In general, the higher the vertical wind shear, the more severe the thunderstorm

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences