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
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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.
How could the Himalayan Mountains be getting taller?
What will be an ideal response?
Seasons only exist in highlands if they also exist in the nearby lowlands
Indicate whether the statement is true or false
Which type of wetland is noted for producing peat?
A. Swamps B. Estuaries C. Bogs and fens D. Coastal areas E. Marshes