The densest water in ocean currents is the ____
A) warmest and saltiest
B) coldest and saltiest
C) warmest and freshest
D) coldest and freshest
B
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The dwindling supplies of rare strategic metals such as indium, tantalum, and platinum may be extended if we rigorously ________
A) relax environmental requirements for mining B) increase demand for the products in which they are used C) reduce demands for social and economic justice D) recycle existing supplies E) exploit known deposits more efficiently
Why do people’s environmental attitudes often differ from their environmental behavior? What might be done to bring the two more in line with each other?
What will be an ideal response?
Which one of the following choices involves an ethical decision?
A. Deciding to buy the cheaper of two similar items. B. Deciding whether or not to allow trophy hunting of elephants because the money trophy hunters pay provided income and food for local people. C. Determining which one of two pieces of art is the best. D. All of these are correct.
Over the past 60 years, the number of sovereign state memberships in the United Nations
A) has remained approximately the same. B) has increased by 30 countries. C) has decreased by 30 countries. D) has increased by more than 50 countries. E) has increased by more than 100 countries.