Where would you be likely to find the alpine tundra biome? a. the Russian north woods
b. central plains of the United States
c. the southern most tip of Australia
d. a mountain range in Europe

C

Explanation:

I think it would C Only Because All The Other answers would be wrong so it would be C Enjoy

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.

: -)