Chemical- contains nutrients and vitamins that the body needs to survive and sustain . For example water is made up of hydrogen and oxygen, in which life wouldn't be without oxygen
physical- water is naturally clear and pure free from artificial processing and colors which positively caters to the healthy look of a person
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They are composed of thylakoids.
After the action potential passes through an axon, gated potassium channels open and allows potassium ions to flow out.
Can’t see diagram. Could you attach the photo.
