Which is a result of chemical weathering? a rock that has been split into two parts a rock that has lost its outer layers a rock that has changed into one or more new compounds a rock that has been broken into tiny, similar pieces

The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%

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

Why is doctor norman borlaug often called “the man who saved a billion lives”