They are involved in a chemical digestion.
Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. It begins in the mouth when food mixes with saliva which contains enzyme salivary amylase that breaks down carbohydrates. It also occurs in the stomach where HCl and pepsin forms chyme and small intestine especially in the duodenum.
The brain is incorrect. Its the nucleus (the brain is an organ not a organelle)
hope that helps :)
The purpose of an indicator is to test how acidic or basic something is.
Same number of atoms on the outer shell, will have similar melting and boiling properties
Explanation:
the control container is the one with no fertilizer....
