Question

It would be ineffective to prevent lead poisoning by ____. a. banning candles with lead cores

Answer 1

It would be ineffective to prevent lead by banning candles with lead cores. Because the candles that has a core with lead could bring harm to a lot of people, even the candles that the center is metal still contained with a bit of lead in it. that is why it is ineffective because it will make no sense at all.