Light spreads out from all directions in a straight line is called?

Is the time in tennessee the same as florida

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

What component of earth’s atmosphere exists entirely as a result of photosynthesis?