In which layer of the atmosphere can you find meteors?

The form of energy that can move from place to place across the universe is (answer) on earth, the main source of this energy is (2nd answer) first blank; a) gravitational potential energy b) radiant energy c)thermal energy d) vibrational energy second blank; a)lightning b) the moon c) the sun d) the wind

Why must pencil be used to draw on paper in paper chromatography

How did albert einstein explain the photoelectric effect? a) light is made up of electrons b) light is made up of atoms c) light is made up of electricity d) light is made up of photons