URGENT PLEASE HELP

13. What occurs in solvation? (1 point)
(select all that apply)

a. Solute ions separate from solvent molecules

b. Solvent molecules surround solute ions.

c. Solvent molecules bind covalently to solute molecules.

d. Ionic compounds are formed

In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a. both make it possible for the conditions in the interior to be different from the conditions outside. b. both provide a barrier that keeps water from flowing across it so the interior remains dry. c. both separate the rna that forms in the interior from any rna that might form in the environment. d. both can actively move molecules into the interior or out into the surrounding environment.

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

How dose plate tectonics effect climate