cost - benefit measured by what has to be provided or accomplished or gone through to get anything; "the cost in human lifetime was monumental"; "the price of accomplishment is exertions"; "what cost glory?"Average international temperatures display an analogous development, and 2014–2023 was the warmest ten years on document around the world. Wi

five hundred bce) proposed that sight is brought on by visual rays emanating within the eye and hanging objects, Whilst Empedocles ("Light may be the exercise of what is transparent," was among Aristotle's relatively opaque declarations. This transparency was A vital property of varied substances; when activated by Solar or fireplace, it produced l