The chemical makeup of a rock a. deposition b. erosion c. rock d. texture e. rock cycle f. composition

What is the border between layers a through f and layer g called?

What is the largest river in the united states?

Will give brainliest asaapppppppppppp plz im in a major hurry to finish which of these pairs of objects exerts the greatest gravitational force on each other? object 1 and object 3 object 4 and object 3 object 1 and object 4 object 4 and object 2