The largest extinction, measured as a percentage of species that disappeared, occurred at the end of which geological period?.

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 did the government of egypt change the natural state of the nile river?

What is a he difference between earthquake magnitude and intensity