13) Which of the following is NOT one of the 5 major climate zones? A. Dry
B. Polar
C. Wet
D. Highland

highland

Explanation:

They are tropical, dry, temperate, cold, and polar.

≅200-130 milions years ago pangea splited in 2 continents

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.

: -)