Why the climate of Nepal guns and Namchi Bazar different do they lie at the same altitude

The answer is b im not sure 

Ihave no idea what the answer is

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. 

Where's the we need to see the it could be any country!