Is there any free worksheet available for the Gizmos Student Exploration: Chemical Changes? Please, it's due today. I'll give you thanks, brainliest, and 40 points.

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

Helium decays to form lithium. which equation correctly describes this decay?

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?