Idk sorry man i hope someone finds the right answer for you. good luck
Answer:
Concentration gradient.
Explanation:
Diffusion may be defined as the process of the movement of solute particles down the concentration gradient. This process does not require the expenditure of energy.
The main driving force in diffusion is the concentration gradient. The molecules generally move from its region of the higher concentration towards the region its lower concentration.
Thus, the correct answer is option (3).
The have similar problems because since the cell has grown too large, it takes away nutrients that other cells need to survive. This is similar to too many users on a wireless network because with too many users, their is not enough network to supply each device on the wireless network.
Parotid beacuse it include both sublingual and submandible and present near the ear
The answer is most likely testing. scientists test their data againt their hyputhesis.