CHEMICAL VS PHYSICAL CHANGE Please help with both for brainliest

Write a word in each blank to complete the sentence.

C) chemical changes always change the way are stuck together in molecules.

D) add heat causes a material to change. If removing heat causes the material to return to the way is was, the change was probably a change.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

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.

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by