Answer:
B. Pangaea
Explanation:
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozioc eras. It assembled from earlier continental units approximately 335 million years ago, and began to break apart about 175 million years ago.
The PH of a solution is a measure of how acidic or basic a solution is.
D. Ice has the power to sculpt the landscape.