Substances expand on heating. Is this a physical or chemical change? List 2 examples from daily life.

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

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Which are forms of frozen water? check all that apply. dew frost hail rain sleet