Which explains how gross physical evidence and trace physical evidence are similar?

a. both are types of direct observations.

b. both can be easily seen.

c. both are hidden.

d. both are circumstantial evidence.

Which type of evidence is often reviewed in microscopy?

Explanation:

trace

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.