A. is the answer. Hope this helps you! :p
True... examples: the spine helps you stay up right which would help for structure and the skull help protect the brain which would be protection
Answer: Salt, Soda, Fire Extinguishers
Explanation:
Answer:
Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration.
Explanation:
Diffusion occurs in liquids and gases when their particles collide randomly and spread out. Diffusion is an important process for living things - it is how substances move in and out of cells.