Environment Date: 3 Traditional light bulbs are only 10% efficient. Ninety percent of the energy they use is converted to heat. Modern light bulbs are much more efficient, but may cost three times as much as traditional light bulbs. Consumers who switch to modern light bulbs are most likely (1) spending more money for no good reason (2) trying to stop pollution of the oceans (3) trading a short-term cost for long-term savings (4) helping traditional light bulb factories employ people i need help for living environment
