Air can be considered a mixture. which statement does not explain why? a) air is a homogeneous mixture of components. b) the component of air are not bonded to each other. c) the components of air can be separated by chemical means. d) physical means can be used to separate the components of air.

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

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