55.49 moles are in one kilogram of water...
The main characteristics of glass are transparency, heat resistance, pressure, and breakage resistance, and chemical resistance.
The structure of proteins is ultimately determined by the sequence of nucleic acids.
Answer: Sand
Explanation: Out of all the choices, sand is the only one that cannot react with other substances.
Diffusion is the movement of a solute from an area of its high concentration to an area of its low concentration – i.e. down a concentration gradient. This process is “passive” – i.e. it requires no energy; the gradient is enough to drive the process.