Which of the following processes turns rocks and minerals into new substances?
a. disintegration
b. physical weathering
c. chemical weathering
d. mechanical weathering

Which of the following statements accurately describe the importance of the american concept of government and democracy? (select all that apply.)

In the wake of the civil war, compared to the south the north had sustained very little destruction. had to create a new labor system. had more economic challenges. had to repair damaged property.

What was the main purpose of one of the first world organizations