Travertine is a form of:
a. gypsum
b. calcite
c. halite
d. siderite
b
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Which of the following is the most accurate description of the principle of a lightning rod?
a. the lightning rod acts to discharge the thunderstorm b. the lightning rod intercepts the lightning and safely carries the lightning current around the object it protects c. lightning rods have been used since the 1700s, but the principle of their operation is not known. d. positive charge induced in the lightning rod repels the negative charge in an approaching step leader
A sverdrup (sv) is a measure of ____
A) wind speed B) current speed and direction C) the volume of water transported in an ocean current D) the amount of heat transferred to water from the sun
In cold clouds the ____________________-____________________ process predominates
Fill in the blank(s) with correct word
The global movement of air that transports heat and moisture and explains the climates of different regions is called:
A) atmospheric circulation B) wind belts C) air pressure D) air masses E) none of the above