The permo-triassic extinction event had a greater impact on the number of earth's species than did the extinction event at the end of the cretaceous true false
Need asap plz ! looking at the map what effect might have geography played in americans having a political revolution against their king in great britain?
What combines with particles of weathered bedrock to make the fertile soil of the midwest ? a. corn and soybeans b. remains of plants and animals c. fields and pastures d. annual precipitation