Which of the following pairs of factors affects the solubility of a particular substance?

a. temperature and the nature of solute and solvent
b. temperature and degree of mixing
c. particle size and degree of mixing ]
d. particle size and temperature

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.