Which element is not found in large quantities in earth’s mantle? a. silicon. b. oxygen. c. iron. d. carbon

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

In saudi arabia, voting rights are limited to

Major river of southeast asia flowing through laos thailand vietnam and cambodia