Answer:
The answer to this one is in Google just search it up
It describes a market with plenty of buyers and firms, identical products, price takers towards firms and consumers, and no set of barriers for new firms. The prices are established through the communication of the market's supply and demand.
Answer:
to lend credibility to the claim that other species also use tools
Explanation: it makes more sense than all the other options B to show chimpanzees are not intelligent disproves her first point at the start of the story especially when she said accept as human because humans are the smartest animals there is and let us be honest C is just obviously wrong.
I believe the answer is D because it gathers all the information that was introduced in the passage. With the eyesight and the toys.