Is crumpling tin foil physical change?

Which has a higher rms speed at 22 c argon or krypton? Who is selective agent in artificial selection? What organelle modifies proteins before they are either used by the cell or transported out of the cell? How do you convert 5 meter to millimeters? What is the density of an object with a mass of 84 grams? What is the difference between sterile and pyrogen free? What do parents pass on to their offsprings? Why was rail construction concentrated in the east before 1870 and in the west after1870? How did Bohr Model discovery change your view of the atom or its properties? The originating station must produce a minimum of how many copies of each general cargo or mail manifest? What sample is igneous and has a coarse texture? What term best describes the ability of pure water to conduct an electric? How does Voltas pile work? What are stars with low magnitude low temperature and low absolute magnitude? What does native home mean? What is the major difference between renewable or nonrenewable resources? What can kinetic energy be described as? What is the SI unit used for the measuring width of a gymnasium? What is the global period for a colposcopy? What is two or more cells put together in a curcuit?