An is word used to express emotion it is often followed by an exclamation point

Why has there been such a large increase in theft and other crimes in the u.s

He did chinese culture change during the warring states period

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.