What is the length of line segment dc asap

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.

Arrange the given steps in the career-planning process in the correct order.

The point on the celestial sphere directly above an observer's head is called the