The name "pangaea" comes from the combination of two greek words, pan and gaea, meaning

a. two continents

b. land on earth

c. continental drift

d. entire earth

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

How does the use of fertilizers impact the environment?

30% of the earths surface is made up of? a. water b. desert c. land d. cities