The boundary of a city is marked by a river. This is an example of which kind of boundary?
A. imposed
B. natural
C. antecedent
D. geometric
Answer: B
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Why do environmental scientists often argue that Americans bear a large share of the responsibility for the world's environmental problems?
What will be an ideal response?
With the exception of Australia and New Zealand, most island nations have an even division of urban and rural dwellers
a. True b. False Indicate whether the statement is true or false
Katabatic winds are
A) another name for mountain-valley breezes. B) localized winds associated with sea-breezes. C) regional-scale, gravity-driven winds that bring high density air downslope. D) usually weaker than local winds, but significant due to the area they cover. E) uncommon in areas with extremely cold conditions, such as Greenland or Antarctica.
On the autumnal equinox, every place on Earth experiences 12 hours of daylight and 12 hours of darkness.
Answer the following statement true (T) or false (F)