Skin color in human controlled by several sets or pair of alleles what ratio of phenotype should we expect to see

What happens whenever a net force acts on an object

In the water cycle , when does water undergo a chemical change

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.