In 2002 north korea announced that it was a. shutting down it’s nuclear facilities b. restarting nuclear weapon development c. changing to a free market economy d. constructing a hydroelectric energy plant

I Think The answer is c I’m just Trying To help

The answer would be plant growth.

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.