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.
Answer: b. habituation
Explanation:
Habituation is a psychological learning process that is described as a decrement in the response to a specific stimulus after being regularly exposed to it. It´s associated with the nervous system and may happen unconsciously. In this example, Max filtering out the fan's noise that was previously so distracting is an effect of habituation.
Answer: consumer surplus
Explanation:
The difference between the maximum amount a person is willing to pay for a given quantity of a good and the amount actually paid for that quantity is known as consumer surplus. On a supply and demand curve, it is the area between the equilibrium price and the demand curve. For example, if you would pay 76 dollars for a cup of tea but can buy it 50 dollars, your consumer surplus is 26 dollars
Answer:
to prevent history from happening in the future.