Based on your work write a brief description of how the clastic sediment from Yosemite valley might change as it travels down stream to lake McClure then describe how you could use these insights to interpret clastic rocks in general

It is the second answer

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. 

Had a democratic form of government