I think it is A
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<span>Francis Bacon was the one who invented the scientific method!</span>
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The mouth is the beginning of the digestive tract. In fact,digestion starts here as soon as you take the first bite of a meal. Chewing breaks the food into pieces that are more easily digested, while saliva mixes with food to begin the process of breaking it down into a form your body can absorb and use.
Hope This Helped! :3</span>
Answer:
1. All cells come from other cells
2. All living organisms are made of cells
3. Cells are the basic unit of life
Of course, there are multiple ways to word the cell theory, but here is the basic definition
