Question

Dinosaurs walked the Earth at the same time that the first mammals appeared. These events coincided during which of the following periods?
A. Mississippian
B. Pennsylvanian
C. Permian
D. Triassic

Answer 1

D is your answer
hope this helps

Answer 2

Hello,

Your brainliest answer would be:

D. Triassic


Explanation:



Dinousars lived in r different time periods

Mesozoic Era

Triassic

Jurassic

Cretaceous

Plz mark me brainliest!

Hope this helps!