You and your lab partner are classifying the rocks found in the sample shown.

which statement demonstrates a correct identification and rationale?

a) sample s is sedimentary rock because it contains a fossil.

b) sample s is metamorphic rock because it contains a fossil.

c) sample s is igneous rock because of its ribbon-like layers.

d) sample s is sedimentary rock because of its ribbon-like layers.

a

Explanation:

A

Explanation:

The image shows a rock with a fossil in it. Fossils are found only in sedimentary rocks. Sedimentary rocks are formed from particles of sand, shells, pebbles, and other fragments of material that accumulate in layers over time.

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: