Dissolving is when the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules. This break up is caused by coming into contact with the solvent. In the case of salt water, the water molecules break off salt molecules from the larger crystal lattice.
Yes, because the envelope can be a important document- so therefore it can be considered "confidential".
47:51 is almost 1:1 so the plant w/ red flower must be Rr n the white one rr.
ans is A.
