Papua new guinea has development.

a. very high
b. high
c. medium
d. low

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.

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

Can someone answer all these questions i need it done by tonight. once again