Asolution a has ph of 8. which hat dasevibes the solution?
a) a strong acid
b) a strong base
c) a weak acid
d) a weak base

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

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.

Which of the following describes the entropy change as a solution is made from a liquid and solid