Explain your thinking. What "rule" or reasoning did you use to decide if something could be considered living?

Iwould appreciate if someone could me.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

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.