What is essential to living things because many of the chemical reactions that occur in living things require it?

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.

Rays from the sun are not considered matter true or false