It is possible to wholly convert a given amount of heat energy into mechanical energy
A) True
B) False
B
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Proven reserves of fossil fuels are those demonstrable to be economically recoverable.
Answer the following statement true (T) or false (F)
In comparison to light crude oil, which of the following statements is NOT true with respect to heavy crude oil?
A. most of the remaining oil reserves consist of heavier crudes. B. refining heavy crude oil is more expensive. C. heavy crude oil is more viscous. D. oil companies prefer heavy crude oil because it is more profitable. E. heavy crude oil is more difficult to extract.
Which of the following food chains will have the greatest loss of chemical energy?
A. algae > minnow > bass > bear > decomposer B. lettuce > rabbit >fox > decomposer C. carrot > mole > hawk > decomposer D. flower > hummingbird > decomposer
The Prime Meridian separates
A. runs east-west, like the equator. B. places experiencing one day on the calendar from places experiencing another day on the calendar. C. the Eastern Hemisphere from the Western Hemisphere. D. the Northern Hemisphere from the Southern Hemisphere.