The ice ages are caused by:
a. the drift of the continents.
b. the eruption of supervolcanoes.
c. the sunspot cycle.
d. minor changes in Earth's rotation and orbit.
e. variations in solar output.
D
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______ is a feature that results from processes associated with an oceanic-oceanic convergent plate boundary. CHOOSE ALL THAT APPLY.
a. A rift valley b. A deep ocean trench c. An oceanic ridge d. A volcanic island arc e. Slivers of oceanic crust in a large mountain range
Why is the Intermontane West referred to as a land of discontinuous settlement as compared to the early patterns of Euro-American and Euro-Canadian settlement in the eastern United States and Canada?
What will be an ideal response?
Research by psychologists have found that a growing number of people want more of a sense of community as opposed to more material goods.
Answer the following statement true (T) or false (F)
Which property gives water an unusually high surface tension resulting in a surface "skin" capable of supporting small objects?
A) ?wetting B) ?adhesion C) ?high heat capacity D) ?cohesion