What two countries have the largest amount of proven coal reserves of coal?
A) Argentina and Brazil
B) China and Egypt
C) Iran and Turkey
D) Russia and United States
E) Saudi Arabia and Yemen
D
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Which of the following is said to be quantized?
A) the number of eggs in an egg carton B) the amount of water in a glass C) the volume of air in a balloon D) the amount of time in an hour E) none of the above
The reason that precipitation forecasts are the least accurate of all meteorological predictions is
A) moisture cannot be accurately measured. B) moisture is discontinuous. C) because we do not have the capability to accurately track moisture. D) because moisture can indiscriminately change phases.
Nekton are restricted to particular ocean areas by ________
A) availability of food B) differences in water pressure with depth C) changes in salinity D) temperature variations with latitude and depth E) All of the above conditions may restrict the distribution of nekton.
The key insight of ecosystems ecology was to recognize that energy ______ they system, and materials ________ the system
Fill in the blank(s) with the appropriate word(s).