Explain the "paradox of plenty" as it relates to the oil producing countries of the south america

Ithink that it’s mali

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 answers are/ (b) climate refers to long term atmospheric,conditions weather refers to short term.