Ecosystems are made up of both abiotic and biotic factors. which of the following factors is considered biotic?
a
sand
b
bacteria
c
carbon dioxide
d
water

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.

: -)

check for the pregnancy rating of drug. if its class c or d see if other alternatives

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b