Many cells maximize their surface area by making microvilli. Examples of cells that do this: lungs, intestine. Explain what microvilli are and how they contribute to surface area:

a: Migration is always from one region to another.

Explanation:

Migration refers to the movement of people from place or country to another. People migrate for different reasons which include: economic, political, social or environmental reasons. It can be permanent, temporary or seasonal. It can also be voluntary or forced. An individual might decide to migrate to a country in order to improve his or her career opportunities while another individual might be forced to migrate due to war and famine.