A representative from a company that manufactures items for left handed.

Explain how you might determine the rate of weathering on a sample rock

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours