uniformitarianism
studying a modern river valley to learn about how ancient rocks layers are formed!
A craton
Coal
No . Shale is formed my the metamorphism of the rock - Slate
Coprolites are the petrified feces of ancient animals. They are classified as trace fossils.
Actualism
studying a modern river valley to learn about how ancient rocks layers are formed!
Heredity
By studying the geological evidence.
The present continuous tense is used to describe actions that are currently happening at the moment of speaking. It is formed by combining the verb "to be" in the present tense with the present participle form of the main verb (ending in -ing). For example, "I am eating" describes an action that is happening right now.
Hemoglobin - formed with alpha helices and/or beta sheets, but as one, contiguous polypeptide. Superoxide dismutase would be a good example of a quaternary structure protein, since it is made of more than one polypeptide chain.
Plato.
A craton
The loose, changeable kinship group formed by the principle of bilateral descent.
ancient volcanic eruptions
No.
456 BC