If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look?

Question

a. in the section for the Ordovician period of the Paleozoic era.
b. in the section for the Quaternary period of the Cenozoic era.
c. in the section for the Triassic period of the Mesozoic era.
d. in the section for Precambrian time.

After a rock layer is eroded, which additional event must occur to create an unconformity, or a gap in the geologic record?

a. an earthquake or motion along a fault.
b. new deposits of sediment must build up on the eroded area.
c. folding of sedimentary rock layers.
d. a volcanic eruption.

A and A

Anonymous · Accepted Answer

We may not be allowed to ask questions but sometimes it's for the best when you really need help you have too sometimes take a risk to do something because I take risk for the sake of my grades because sometimes you have to take a risk and it's for the best if you need help but still you don't know even when you ask your parents.... that's when you take the risk that is for the best. I am not trying to be mean, I'm just putting out a point.

KCA · Answer

You are not allowed to ask Test questions from KCA and Connections Academy.