Answer:
It was an difficult place to live because the animals had to survive the waves and different type of water levels and temperture changes.
Explanation:
At first it started out as pangea.Pangea was made millions of years ago.It was a supercontinent that was all mushed together.Soon all the continents moved and that's how south asia was made
The reason is that current methods used to “calibrate” models often render them inaccurate. That's what Jonathan Carter stumbled on in his study of geophysical models.
If you want a more detailed explanation here’s a explanation from quizlet.