Kilograms and grams. They're both commonly used to measure mass.
Lithium fluoride is a solid at room temperature because it is a salt that is held together by ionic bonds. Lithium. fluoride has a giant ionic structure.
The cell membrane performs those functions. It is the outer layer of a cell and it creates a barrier, regulates material entry and exit, uses chemical signals, and creates structure.
The answer is True. Transportation is used by cars, airplanes, trains, and many other things.
