What is the local steepness of a river channel called?
a. base level
b. gradient
c. profile
d. slope
e. drop
B
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Which location is associated with a divergent plate boundary??
A) ?East Africa B) ?California C) ?Andes, South America D) ?Aleutian Trench
During the summer in the western Prairies, which of the following conditions prevail near the surface and help hailstones survive as ice all the way to the ground?
A. cold, shallow layer of dry air B. cold, thick layer of moist air C. warm, thick layer of moist air D. warm, shallow layer of dry air
Consider all the economic and social indicators. Should these trends continue over the next 25 years, what effect would this have on the socio-economic conditions of various countries in the world?
What will be an ideal response?
Earth formed shortly after the Big Bang.
Answer the following statement true (T) or false (F)