The physical properties of a mineral are often closely related to its internal atomic arrangement or crystal structure.
Answer the following statement true (T) or false (F)
True
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The alpha particle has twice the electric charge of the beta particle but deflects less than the beta in a magnetic field because it
A. moves much faster. B. has much more inertia. C. moves much slower. D. has much less inertia.
Which of the following would have most likely prevented the deadly 1948 smog in Donora, PA?
A) The shift of industrial production from the day to evening hours B) The addition of scrubbers to the smokestacks used by the Donora industries in order to remove effluents C) Increased use of coal to generate electricity and heat homes in the region D) Use of high sulfur instead of low sulfur coal to generate electricity and heat homes
Within the Northern Hemisphere, salt marshes form ________, whereas mangrove swamps form ________
A) within the tropics; at high latitudes B) north of 30°; within the tropics C) in the Arctic; in the midlatitudes D) south of 30°; north of 30° E) near subtropical high pressure systems; in areas affected by the NE trade winds
Which of the following is least associated with a cold frontal passage two hours ago?
A) An increase in temperature B) A change in wind speed C) An increase in in humidity D) An increase in stability E) A change in wind direction