If a solution feels slippy is it a base or acid

Which samples do the atoms have the least kinetic energy

Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species