A narrow beam of light incident normally, on one face of an equilateral prism (refractive index 1.45)
being surrounded by water (refractive index 1.44)
At what angle the ray of light emerges out?​

a person with a mass of 106kg has a weight of 1060n

their crystal patterns have been disrupted by stress

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.