When the sun warms the sidewalk on a hot sunny day, what type of energy conversion occurs? thermal to mechanical mechanical to chemical radiant to nuclear radiant to thermal

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.

100 pounds is 100 pounds no matter the object or item being weighed