Atomic theory - that is, an atom is the smallest division of an element that retains the
chemical properties of the element and is too small to be seen - cannot be tested using bysight, not even using an optical microscope. there are various forms of evidence that atoms exist.
what is one piece of evidence for the existence of atoms?
what kinds of technology are needed to show atoms exist?

c.is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

explanation:

a colorless, transparent, odorless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

. west

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.