Which of the following statements is true?

A.
Sedimentary rocks are formed as a direct result of chemical weathering.

B.
Fossils are frequently found in metamorphic rock.

C.
Extrusive igneous rocks, found in the Earth's lithosphere, are not subject to weathering.

D.
Igneous rocks form from the cooling and crystallization of magma.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.