They are basic problems of economics because every good or service has a limit to be reached and people have to decide what to choose based on their needs and wants.
Answer:
d. learning is useful in allowing organisms to adapt to the environment.
Explanation:
Psychologists define learning as a relatively permanent change in behavior as a result of experience. Learning can be possible through vision, hearing, reading or writing, and kinesthetic. The statement that learning is useful in allowing an organism to adapt to the environment is influential because from the day an individual is born to death, every day we tend to learn each day either by imitating our elders or by modeling our role models.
Trade barriers can either help or prevent people from having jobs.
Answer: after kublais in 1294 it had begun to decline significantly in the mid 14th century
Explanation:
