Define "stream." What role do streams play in distributing sediment on Earth?
What will be an ideal response?
A stream is flowing water that drains water from land and simultaneously transports sediments.
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Sketch a mature thunderstorm. On your sketch indicate approximately the altitude of the cloud's base and top, and show where you might see the anvil cloud, a pileus cloud, mammatus cloud, and a roll cloud. With arrows, indicate where the updraft and downdraft might be in the cloud. Where would you find strong vertical wind shear? Indicate where the largest concentrations of positive and negative charge would be in the cloud.
What will be an ideal response?
Where are most tropical rainforests located?
A) near the north pole B) near the south pole C) near the equator D) in the middle latitudes E) Their location is random.
Within water-deficient regions, two climatic types are recognized. What are they?
A) Subpolar high and subpolar low B) Ephemeral and playa C) Desert and steppe D) Saltation and tropical
Major natural extinctions are thought to have happened ________ in Earth history
A) never B) once C) twice D) three times E) innumerable times