Which action will cause the magnetic force to push two magnets closer together? select one of the options below as your a. aligning the north poles of two magnets b. aligning the south poles of two magnets c. aligning the north pole and south pole of different magnets d. pouring iron filings between the magnets

Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.

If a sphere and a cure have the same mass and are propelled up a ramp with the same force, which would travel father up the ramp? explain.

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.