Answer:
Indians cultivated and developed many plants that are very important in the world today. Some of them are white and sweet potatoes, corn, beans, tobacco, chocolate, peanuts, cotton, rubber and gum. Plants were also used for dyes, medicines, soap, clothes, shelters and baskets.
The correct answer is the semantic level of encoding.
When you are trying to memorize something using semantic encoding, it means that you are using tools such as mnemonics to better learn information and retrieve it from memory more easily. Semantics has to do with language, meaning, and words.
Because, biscuit biscuit biscuit nom nom
A. freshwater fishing.
my reasoning:
Inside the Middle East, most countries have large supplies of oil, (which helps make the countries rich as they are today because of oil demands), which takes out the options C & D. The Middle East, is located within the Sahara desert, and so can contribute to desert research (B) as well.
So A, is your most logical choice.
hope this helps