Acompound microscope uses a. a convex mirror and a lens to enlarge an image. b. a mirror that flips up to let light through the lens. c. two convex lenses to magnify a small object. d. a mirror to reflect an image of a small object.

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

this could be newton#'s law of cooling. the cooling curve is exponential