Think about how the geologic time scale was created and how it is divided. Then answer the following questions. How did scientists form the geologic time scale?
How is this scale organized?
• What processes changed the Earth's environment during Precambrian time?

This image shows a volcanic eruption in hawaii with lava flowing into the sea. which statements best describe this eruption? check all that apply. its magma is high in silica. its magma has low viscosity. its lava came from a quiet eruption. its lava sets fire to everything in its path. its lava came from an explosive eruption.