Yes it is true.
Hope this helps
Answer:
C. 70% (water covers ⅔ of Earth's surface)
It’s either hurricane or tornado:)
I agree on that. it's not like there is completely no force of gravity acting on them (I mean if they're still around the earth) , it's that it's so little that they can't even notice it. they'll float around and they seems like they have no weight. this is called weightlessness.
Oceanic Crust
Continental Crust
Oceanic crust is denser than continental, this is why continents are at higher elevation than oceans.