How is a model of an atom different from a real atom? ?

What is the process of pulling apart an n2 molecule nevermind i got it

What type of reaction is photosynthesis

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? a. a b. e c. f d. g