“In diffusion, particles move from an area of higher concentration to one of lower concentration until equilibrium is reached. In osmosis, a semipermeable membrane is present, so only the solvent molecules are free to move to equalize concentration.”
Cr: Google
Yes they did. It is generally known that amphibians breathe through their skin.
Kelp populations would be entirely depleted and it would impact the sea life that thrive off of kelp as their homes and source of food. Many sea creatures use kelp as a sort of barrier to prevent bigger fish from attacking them.
most common to least common favorite
A because if you are going down deeper into the ocean, you are going farther away from the sun so it will become colder.