Photosynthesis. Photosynthesis is the process the plant uses to absorbs light to make food
Heterogeneous mixture is a substance that does not have a chemical formula and has more than one fase and the examples are water and oil because of the two different colors of fases, italian dressing is also another example because it has more than one different colors of fases.
When light is passing from a denser medium to a lighter medium ( for example: from water to air)
<span> When the angle of refraction is greater than the critical angle( angle of incidence when the angle of refraction is perpendicular to the normal) of the denser medium.</span>