What is the difference between imports and exports?

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

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