Okay, guys. is a plastic cup a heterogeneous or homogeneous? .im doing it

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

Is powdered sports drink ionic or covalent ? 10pts !