It is easier to estimate coal reserves than oil or gas because the coal is solid and does not migrate.
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A “wind farm” can generate energy similar to a conventional…
A “wind farm” can generate energy similar to a conventional power plant and still have the land used for agricultural purposes.
The state with the most oil deposits in the U.S. is ________…
The state with the most oil deposits in the U.S. is _____________.
An example of the heaviest hydrocarbon is __________________…
An example of the heaviest hydrocarbon is ___________________.
Which of these is a nonrenewable resource?
Which of these is a nonrenewable resource?
The United States has mineral rights on Antarctica.
The United States has mineral rights on Antarctica.
The concentration factor of an ore is a measure of its enric…
The concentration factor of an ore is a measure of its enrichment in a metal of interest, relative to the average amount in the rock area.
The United States imports some of the minerals of which we h…
The United States imports some of the minerals of which we have ample supplies so that we can export ours to other countries for profit.
Ore forming processes are equally likely to occur anywhere,…
Ore forming processes are equally likely to occur anywhere, so ores are fairly evenly distributed among nations.
Which of the following energy sources is associated with pla…
Which of the following energy sources is associated with plate boundaries?