1st question : What is trait variation give an example? 2nd question How can the environment affect an organism’s traits? Give an example.

Compound with sulfer  is bright red 

Answer the molar mass of magnesium is 24.305g/mol.

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).