Alex looked at an electric toothbrush that had a plug with three metal prongs. why are these prongs made out of metal?

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

its 42

i say its d?

the answer is d.) homologous; have mammary glands

the areas around the equator