Stuff invented during the Middle Ages

Japan is a group of four islands off the coast of asia. what effect do you think has had on the lives of the japanese?

Nwhat way does renewable energy differ from nonrenewable energy?

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