Only one side of the Moon faces Earth. Is this because the Moon spins about its axis, or doesn't spin about its axis? Defend your answer
What will be an ideal response?
The Moon does indeed spin about its axis, just as the Earth spins about its axis. The difference is in rates. The Earth spins once each day while the Moon spins once each month. The reason the same side of the Moon faces Earth is because its monthly spin coincides with its monthly revolution about the Earth. Both its spin rate and revolution rate are the same.
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Explain the difference between the minimum impedance model and the maximum coverage model for location-allocation analysis.
What will be an ideal response?
The global human population
A) consumes fewer resources in a year than Earth can provide. B) has decreased its resource consumption in the last decade. C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. D) needs 1.5 Earths to sustain its current rate of consumption.
The largest source of anthropogenic greenhouse gases in the United States is ________, followed by ________
A) electricity generation; agriculture B) agriculture; transportation C) agriculture; electricity generation D) electricity generation; industry E) electricity generation; transportation
Why do species such as humans take a much longer time (thousands to millions of years) to adapt through natural selection than species such as bacteria and insects?
A. Species such as humans are limited geographically. B. Species such as humans are much larger in size. C. Species such as humans are limited by reproductive capacity. D. Species such as humans are limited by biological fitness. E. Species such as humans are limited by natural selection.