Darwin's 5 points: Identify the 5 points in the scenario above. Population has variations.
Some variations are favorable.
More offspring are produced than survive.
Those that survive have favorable traits.
A population will change over time.

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

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.

: -)

i need

the correct answer is sex-linked recessive.

i just took the test