A circle with radius 2 centimeters. One-quarter of the circle is not shaded. The remainder of the partial circle is shaded. Find the area of the figure. If necessary, round to the nearest tenth. The area of the partial circle is cm2

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