The Grand Canyon formed due to ____
a. erosion
b. Rifting
c. a divergent plate boundary
d. fault block basin development
e. lateral accretion
a
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Gross National Income (GNI) is the total income of a country's residents, no matter where it comes from
Indicate whether the statement is true or false.
Which has the greater chance of sending the Earth's climate past a tipping point: the cloud-albedo
effect or the snow-albedo effect? What will be an ideal response?
When or where is air most likely unstable?
A) Over the poles B) During the night C) During the winter D) During the afternoon E) In stratiform clouds
Which of the following characteristics of Earth are not shared by many other planets?
A. It generates enough heat to allow plate tectonics to operate. B. Abundant water exists on the surface in liquid, vapor, and solid phases. C. It contains abundant life. D. Moving water and ice currently erode the land and deposit sediment. E. All of these choices are correct.