Which of the following is a substance?

A) smoke
B) salt
C) granite
D) brass

smoke it is smoke answer a

B) salt

Explanation:

It is considered a substance because it has a uniform and definite composition.  Salt easily dissolves in water, but salt water cannot be classified as a substance because its composition can vary.

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and after water is usually warmed by the sun the water temperature raises and then evaporates .

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.