What similarities can be seen when comparing
fossils to structures seen in currently living
organisms?

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

Which terms are used to identify pure substances

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.