Let’s consider in more detail what the sky would look like for an observer at the North Pole (Latitude=90N). Describe how stars appear to move as seen from the north pole. How do their alt/az coordinates change over the course of 24 hours? Where would you find the North Star?

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. 

Bdef the answer rn t

It is nonrenuable which means that once you have used it, it's gone forever.