Label them with the correct answers. Thank you!!

What's erosion? a. the breakdown of rock into smaller pieces b. the removal of weathered products from rock c. a change in rock resulting from exposure to water d. a chemical change in rock that weakens it

Abird flies at a speed of 75 metres per second for 15 seconds, how far does the bird fly

Witch religion first gained poularity as a part of roman empire in the 4th century