What is most plastic made of? (more than one)
inorganic compounds
organic compounds
petroleum or coal materials
carbon containing compounds
synthetic materials

How does litmus paper indicate an acid?

Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size