Geologists discover a layer of rock that was made by lava from an erupting volcano. What was most likely found in this layer?

6-the us is not democratic (facts/data/information/reason to prove the us is undemocratic)

Sam and ben have discovered some strange animals living in the woods behind their house. ben is excited because he believes they are marsupials, an animal he's never observed in the wild before. his brother is sure it is not. what feature should the boys consider in deciding whether the animals are marsupials?

Which leader was the first african american president at two different institutions for higher learning