The answer to your question is,
carry satellites into orbit
-Mabel <3
<span>Rebecca is at risk for breech according to the medical opinion of her physician. Her first pregnancy was a breech which could indicate that her uterus might be slightly misshapen.</span>
Assume as what happens in a pot of water as it get heats.. hot becomes less dense, rises and cools, becoming more dense then sinks- that's called CONVECTION
So D- is the right answer
The answer is the first one. Diffusion is water only while osmosis can be for gasses