Question

One way to better understand the environment of the United States is through a study of its

one ecosystem
three major ecosystems
four major ecosystems
five major ecosystems

Answer 1

D-five major ecosystems

reason-

the five major ecosystems are:

Alpine

Tundra

Grasslands

Deciduous Forest

Desert

Answer 2

Step-by-step explanation:

The best way to learn is through its 5 major ecosystems. xD