What is the percent composition by mass of oxygen in magnesium oxide

The correct answer would be b) volume versus temperature, because they are also directly proportional.

The surface of the water droplet is held together by the attraction between molecules. in order for water to flow more easily into these small spaces, you need to decrease its surface tension. you can do this by adding soap, which is a surfactant (a material that decreases the surface tension of a liquid).

Can you post list or organisms