A. Sound is a form of mechanical energy
The digestive system contains all four major tissue types, epithelial<span>, connective, muscle and nervous. e</span>pithelial<span> tissue lines the entire length the digestive tract. it is made up of many different types of cells, including goblet cells that secrete mucus.</span>
Passive transport is a naturally occurring phenomenon and does not require the cell to expend energy to accomplish the movement. In passive transport, substances move from an area of higher concentration to an area of lower concentration in a process called diffusion.
The mass is made up of protons and neutrons, the valence electrons only determine stability, not mass
Answer:
b and c
Explanation:
In b you'll be mixing and heating up the sauce creating a new compound from older components and in c, the ultraviolet lights will change your skin cells.
