What evidence did scientists use to develop the Law of Superposition? Group of answer choices Fossils and Rock Layers Fossils only Rock Layers and the environment Rock Layers only

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

your answer is "the 1950's"

the endomembrane system i think

idk im sorry.