Answer:
1. Watch Mark Rober...He's great!
2. A shark maintains his buoyancy because a shark was the same amount of force pushing awards as gravity is pulling is downwards. So instead of sinking it floats. I know that didn't make a lot of sense but seriously, watch Mark Rober and you will know everything!!! (unlike me, a freshman)
3. P.S. If you want to learn more about buoyancy, I suggest you watch the balls in the liquid sand video
Explanation:
Any fat. Like oil. Fats are hydrophobic, so they resist water and don't mix.
Explanation:
Prokaryotes have the advantages associated with greater simplicity, including more rapid reproduction, rapid mutation and adaptation to new environments, and more diverse metabolic systems. They also possess an ability to pass on adaptive genes to other bacteria in the form of plasmids.
