Particulate matter is categorized according to:
A) its size. B) its chemical components.
C) its toxicity. D) its source.
A
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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)
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
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.
The perihelion is during the month of ________
A) January B) March C) July D) September E) December