Alight bulb lights up because energy, in the form of an electric current, is transferred from a power supply to the filament inside the light bulb. this kind of energy transfer is known as a. conduction b. radiation c. convection d. mechanical energy

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of