Which of the following is a limited quantity item?.

What must students do with the 10 gird-ins on the math section of the psat

Summarize the work of famous environmental scientists of the past.

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.