Porque la respiración celular es aerobica

when it's short and dry.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

b because they naturally adapt to their environment plz mark brainliest

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.

: -)