You discover an ancient campsite that has the following items: An axe with a stone blade, a clay pot, ashes from a fire, a jawbone from a deer and an arrowhead. Which item would you use to date the campsite? Explain.

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.