What elements are in the most common substance in the human body? a. carbon and nitrogen b. hydrogen and oxygen c. oxygen and phosphorus d. calcium and nitrogen

i really wish i could answer this question for you

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 answer to your question is:

c. complementary base-pairing

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.