Knowing the chemical properties of a substance will tell you how the substance a. looks. c. can be broken down into atoms. b. smells. d. reacts with other substances. select the best answer from the choices provided a b c d

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

What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.

What are the dimensions of the cross section that passes through the points a, f, g, and d?