A ball falling has both potential energy and kinetic energy. Where do you think it has the most potential energy and where do you think it has the more kinetic energy?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

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.

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.