Geographic barriers can influence groups of people to form cultures in isolation because they prevent the influence of outside factors.
a. true
b. false

Where is the vascular system located

The process by which liquid water changes into water vapour is called what ?

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