<span>A light ray is one narrow beam of light traveling in a straight line. </span>It is the most basic element in geometrical optics. <span>A light ray is an idealized and hypothetical model of a light that is used to better explain the propagation of light. In reality, light travels as a wave and can therefore be bent.</span>
It is deficiency of calcium
Answer:true
Explanation:because the energy stored is magnetic energy
Answer:
8tvitcrixuzu3duecitvurvih igb
A- controls the movement of substances into and out of cells, assuming this is the image the question is relating to