Question

fill in the blank to complete the statement about the geologic time scale. on the geologic time scale, scientists use the terms era and period to describe lengths of time precambrían time. before after during

Explanation:

The Precambrian is the earliest part of Earth's history, predating the Phanerozoic Eon. The terms "era" and "period" are used in the Phanerozoic Eon (after Precambrian time).

Answer:

after