Protecting air quality by establishing identical low limits on noxious discharges for all firms is a questionable policy because
A) a little pollution from many sources adds up to excessive pollution.
B) by allowing firms to pollute at all it sacrifices the community's interest to private profit.
C) it does not allow high-cost air polluters to exceed the air pollution limits.
D) it tolerates preventable air pollution.
E) no one knows the possible side effects of the discharges.
Question 2
What does the text suggest might be a possible advantage of being an economically backward nation?
A) Illiteracy
B) The fact that many women have been systematically denied education, and have therefore learned to become very good homemakers, which is a prerequisite for a stable society
C) The nation can adopt the advanced technologies of other nations without having to incur all the costs of research and development.
D) If you invert the per capita GDP figures of the so-called backward countries, you find they are, in real terms, among the wealthiest nations in the world.
Acromegaly in one individual from a pair of identical twins.
Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
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