Solar radiation is considered ____
a. longwave radiation
b. medium wave radiation
c. shortwave radiation
d. ultra-shortwave
e. sub-wave radiation
c
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Communities of unplanned, self-built housing with minimal services around major cities are called _________________________.
Fill in the blank(s) with the appropriate word(s).
We deal with toxic substances every day. All of the following are methods used to limit risk from exposure to toxic substances EXCEPT
A. establishing a level (threshold level) below which exposed test animals show no reaction. B. setting limits to the amount of exposure a person is allowed to receive in the workplace. C. subjecting test animals to a substance to see if they become ill or die. D. prohibiting the use of toxic substances by the public.
When an ethnic island increases in size such that its population ranges into millions of people of a particular ethnicity, we have seen the development of an ethnic province.
Answer the following statement true (T) or false (F)
Wind is due to
A) pressure differences in the atmosphere. B) the greenhouse effect. C) Earth's rotation. D) storms that push air in front of them.