A system in which matter may flow in and out, as opposed to a closed system in which matter may not flow in or out.​

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.