________-waves pass through the outer core
Fill in the blank(s) with correct word
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Which of the following statements is false?
A. It is more economical to have consumers separate trash before pickup than to use materials recovery facilities. B. Glass, iron, and aluminum can be recovered from solid wastes. C. The source-separation approach usually involves consumers separating trash into four collections: glass, paper, plastic, and metal. D. Materials-recovery facilities provide many more jobs than low-technology recycling. E. Materials-recovery facilities need a large input of garbage to be financially successful.
If a country is experiencing a negative net migration rate, then
A) more people are leaving the country than moving to it. B) more people are moving to the country than leaving it. C) a negative net migration rate does not tell us anything. D) more people are dying in the country than are being born. E) the number of people leaving the country is equal to the number moving there.
Midocean ridges form where two ocean plates
A) Collide. B) Diverge. C) Subduct. D) Slide past each other. E) Are destroyed.
Deer and lions are good examples of ________
A) producers B) consumers C) decomposers D) bioaccumulators E) biomagnifiers