The name most commonly given to the land mass which existed when the continents were joined

What was on result of the potato famine

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

Hurry on the map above, arrow 1 points to a region where most people are