3. In old fashioned ice cream makers, NaCl is added to ice to help change the mixture point
into a solid. What is the purpose of the Naci?

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.