Particulate matter is categorized according to:

A) its size. B) its chemical components.
C) its toxicity. D) its source.


A

Environmental & Atmospheric Sciences

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Loss of calcium ions from soil may be a major problem associated with acid rain.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

When a pair of 1 ohm resistors are connected in series, their combined resistance is

A) 1 ohm, and when connected in parallel, 2 ohms. B) 2 ohms, and when in parallel, 1 ohm. C) 1/2 ohm, and when in parallel, 2 ohms. D) 2 ohms, and when in parallel, 1/2 ohm. E) none of the above

Environmental & Atmospheric Sciences

Drylines in the United States

A) separate saturated air from unsaturated air. B) can lead to a situation in which warm, moist air overtakes dry, cold air. C) can lead at worst to mild thunderstorms. D) typically have continental air to the west.

Environmental & Atmospheric Sciences

The perihelion is during the month of ________

A) January B) March C) July D) September E) December

Environmental & Atmospheric Sciences