A factor that attracts a migrant to move to a place is called a ________ ________
Fill in the blank(s) with correct word
pull factor
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All adiabatic temperature changes occur as a result of
A) the addition or removal of heat energy from the air. B) changes in the absolute humidity of the air. C) expansion or compression of the air
Ferromagnesian minerals such as pyroxene, amphibole, biotite, and olivine are chemically altered in the presence of ________.
A. mica B. argon C. helium D. oxygen E. quartz
Tsunamis and earthquakes have killed millions of people during human history. What branch of the Earth sciences is the main group that studies these phenomena?
A) Meteorology B) Geology C) Oceanography D) Astronomy
The stratosphere derives its name from which property?
A) It is the hottest layer of the atmosphere. B) It is the coldest layer of the atmosphere. C) It is the layer closest to the ground. D) It is the layer with the most clouds. E) It is a layer with little vertical mixing.