The processing of coal requires that it be washed before being shipped. This results in the production of a liquid waste material known as ________.
Fill in the blank(s) with the appropriate word(s).
coal slurry
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Which transformation method is usually recommended for aerial photograph-to-map transformation?
A. Equiarea B. Similarity C. Projective D. Affine
Suppose that where you live is typically several degrees warmer in the middle of January than the rest of the month. If you forecast this "January thaw" for the middle of next January, you would have made a ____
A) climatological forecast B) persistence forecast C) forecast based on weather types D) statistical forecast
Valencian is currently
A) classified as a dialect, although many of its speakers would prefer to have it classified as a distinct language. B) classified as a distinct language by a law passed by the Spanish government. C) classified as a dialect because there are so few speakers. D) not considered a dialect because there is no written language. E) a dead language since so few people speak it.
What radioactive isotope is generally used to fuel a controlled nuclear chain reaction?
A. uranium 235 B. barium 140 C. cesium 137 D. uranium 95