The caucasus mountains separate what two bodies of water?

a. baltic sea and the black sea
b. aral sea and caspian sea
c. black sea and caspian sea
d. aral sea and gulf of finland

Mexico city is an example of how humans alter their environment because it was a. one of the world’s largest cities b. built on drained and filled lake beds c. built after conquest by the spanish d. once the capital of the aztec empire