What is the formula for the ionic compound formed when potassium bonds with oxygen?

All motion is caused by force? true or false

Consider the story you just read. all but one of the choices below indicate that something is living.

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.