An example of a consumer gaining chemical energy is: O A. a baby bird hatching from an egg.
B. a deer drinking water from a stream.
C. a bear eating a salmon.
D. a dog chasing a rabbit.

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Explanation:

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

it would be heredity