The rainbow is a result of a. diffraction of the light.
b. interference of the light.
c. dispersion of the light.

Which one of the following research methods can show cause and effect

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Both independent and dependent clauses