Lithosphere is the crust and upper mantle of the earth.
The main vent is the main outlet for the magma to escape. Secondary vents are smaller outlets through which magma escapes. The crater is created after an eruption blows the top off the volcano
Answer:
C. The formation name is symbolized by capital letters
Explanation:
The capital letter represents the the age of the geological unit and not the formation name. The history of the Earth has been divided by Geologists into Eons (the largest division), Eras, Periods, and Epochs , mostly based on the fossils found in rocks.
