Which characteristic is not in distinguishing a metamorphic rock from igneous and sedimentary rocks?

How do you tell if someone actually cares about you? and just say they do?

With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90

Of is j/kg·k. if a 2.6 kg of isk to k, is ?