Of the following, for which would it be the most difficult to determine a discrete threshold level of exposure?
A) Carcinogens B) Drain cleaners C) Acids D) Arsenic
A
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Which of the following is not a form of kinetic energy?
A) chemical energy B) electrical energy C) light energy D) mechanical energy
What is the difference between plankton and nekton? Are plankton and nekton natural categories? Fill in the blank(s) with the appropriate word(s)
The amount of irrigated land used to produce food crops has increased since 1950 . It can also be said that:
a. The amount of irrigated land per person has increased since 1950 b. The amount of irrigated land per person has decreased since 1950 c. The amount of irrigated land per person has stayed the same since 1950 d. The amount of irrigated land per person for this time period is not known e. The amount of irrigated land per person has increased in some areas and decreased in others
Explain three events that led to the IMF food riots of the 1980s.
What will be an ideal response?