If you know that the Chuckanut Formation was deposited sometime during the Tertiary (66-2.6 million years before present), then based on this climate reconstruction data, which hypothesis is true

Answer carbon dioxide ice;

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. 

The answer is d., a mountain.

Its led to migrationits led to death