Which is true of oxidation? PLS HELP FAST and thank you! Choices:
A it is a physical process
B no changes occur in the makeup of rock
C rocks weather at different rate
D water freezes in cracks in a rock

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.

Which radioisotope is used in dating geological formations?

The focal length of a lens is determined by the curve of the lens and the material that the lens is made from. (5 points) is this true or false? ?