Question

Which is the oldest geologic era ?



A.
Cenozoic


B.
Precambrian


C.
Mesozoic


D.
Paleozoic

Answer 1

@Dlwillis

Answer 2

The Paleozoic Era is the oldest of the three Eras and dates from 540 Million to 248 Million Years Ago. During the Paleozoic Era multicelled living things acquired hard body parts, bones, vertebral columns, mandibles, and teeth. Common in the Paleozoic Era were trilobites, crinoids, brachiopods, fish, insects, amphibians, and early reptiles.

Answer 3

:) Lol. Hope I was helpful