The total magnification of a specimen viewed under a compound light microscope is determined by

Microscope lenses are those that allow an object to be magnified. These lenses are the eyepieces and the other is called objective. These lenses are called converging lenses and are on a common optical axis. The most commonly used objectives are 4, 10, 40 x and up to 100x. The eyepiece allows you to observe the image of the object selected by the lens, acting as a magnifying glass. It consists of two lenses: the lower or collector, and the upper, or eyepiece.

c. live where it’s cold and icy

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?