A rocket's acceleration increases when traveling upward from the ground due to

A. weaker gravity with increased height.
B. a decrease in mass as fuel is burned and ejected.
C. increasing applied net force.
D. none of the above


Answer: B

Environmental & Atmospheric Sciences

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Which of the following is true with respect to Ravenstein's laws of migration?

A. International migration creates no counterflow of migration. B. Long-distance migration generally takes place in the form of moving from one large urban area to another. C. Women are more likely to migrate internationally. D. Step-by-step migration no longer takes place in today's world.

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How could the Himalayan Mountains be getting taller?

What will be an ideal response?

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Seasons only exist in highlands if they also exist in the nearby lowlands

Indicate whether the statement is true or false

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Which type of wetland is noted for producing peat?

A. Swamps B. Estuaries C. Bogs and fens D. Coastal areas E. Marshes

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