The early people were able to adapt by settling into the different regions of the Americas, and taking advantage of the resources around them, for example the hot vegetated forests of the Amazon.
Answer: <em>Option (C) is correct.</em>
Trial and error are known as one of the methods of problem-solving. It is represented by recurrent, different attempts which continue until progress, or until the individual stops. This is also known as a heuristic approach to problem-solving or obtaining knowledge. This method is used in several disciplines such as computer science, elementary mathematics etc.
Answer: A. Should be the answer.
Explanation:
