What is the advantage of recycling?

A) It is the only way to get rid of waste.
B) It improves the quality of the material.
C) It is a good way to conserve some metals.
D) It is a good way to save gasoline and other fuels.

rain is the best answer

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.

: -)

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.