3. let’s put these events in perspective. the united states became a nation in 1776. how many years has it existed as a country?

Find the area of the shaded region.

Fill in the combination notes for the main idea shown

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water