I believe the answer in the blank should be protostar
If the Earths polar Ice melts the ocean levels will increase because of the increased amount of water. Some peninsulas and islands would decrease because they would sink from the risen water.
It only allows certain things through, such as water. One way to remember it is to think about how you wouldn’t eat just anything, and the cell doesn’t let just anything in. I hope this helps
Answer:
O because the model makes the concepts easier to understand
Explanation:
The model would help other people understand his results.
