When Europeans moved into the region along the Lower Mississippi River around three hundred years ago, they often settled on the floodplains of the river and set up farms. Geologically, what aspect of the floodplain impacted their choice to settle there?
What will be an ideal response?
Answer: Because floods naturally replenish sediment and nutrients through deposition, this made the land fertile. Also, the Mississippi River and its tributaries provided a natural transportation route.
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What happens when a tsunami approaches the shore?
a. Its velocity drops rapidly. b. Its period remains the same. c. Its wave height increases d. All of these choices
Which of the following events might break down food entitlement systems?
a) Natural disasters b) War c) Displacement of land-holders d) All of the above
How many kilometers (km) are there in 1 millimeter (mm)?
A) 1 x 10^-12 B) 1 x 10^-6 C) 1 x 10^6 D) 1 x 10^12
Most of the mass in the solar system is contained ________
A) in the sun plus Jupiter B) in the outer planets C) in the inner planets D) in the sun