Choice 1 protons and neutrons, not electrons because they are in the outside circling it
84.798 is the mass number
<span>The same amount of wax exists before and after the change.
Wax when melted will be like liquid. Liquid has no definite shape, but definite volume.</span>
Answer:
Each layer has a different temperature range and contains different mixtures of gases and moisture. Human activities on Earth's surface can create changes in the atmosphere. Pollution, acid rain, and holes in the ozone disrupt how the atmosphere normally functions.
In biology, diffusion is the movement of substances with the concentration gradient, which means they move from an area of high concentration to an area of low concentration. Facilitated diffusion is diffusion that is performed with the help of a carrier protein that can move particles of the substance.
