1. What is formal region

2. What is a functional region

3. What is perceptual region

1.) A formal region is an area inhabited by people who have one or more characteristics in common.

2.) Functional regions are made up of a central place and surrounding areas affected by it.

3.) A perceptual region is based on the shared feelings and attitudes of the people who live in the area.

Explanation:

within these regions are all the major types of biomes in the world. a biome is a community of animals and plants spreading over an extensive area with a relatively uniform climate. some diverse biomes represented in north america include desert, grassland, tundra, and coral reefs.