Explain why chlorine has a relative mass of 35.5?

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

What is the most important factor in determining climates.