Answer:D
Explanation: Because that doesn't matter and how dose that effect anything also they didn't ask about you running out of anything.
I am unsure of how to answer this completely, but I will give it my best.
It could be meant that there is no physical boundary holding them apart and that the world's oceans simply flow into each other rather than being separated. Such as the pacific and Atlantic. They are not held apart, they flow around countries and flow into each other at a certain point.
Often compete to get federal grants
1.China
2.Yellow Sea
3.Himalayas
4.Gulf of Thailand
5.Beijing
6. Kazahstan
7. Siberia
8.Yangtze river
9.South China Sea
10.Philippine Sea
11.Sea of Japan (east sea)
This is hard but hopefully these are correct
Hope this helped :)
Have a great day