Answer: A (Tissue)
Explanation:
Cells are the simplest level of organization. Many cells working together form tissue. The cells involved are specialized to cooperate with each other to accomplish one common goal. There are many different types of tissue in both plants and animals. When there are layers of tissue working together, they form an organ.
Hope This Helps!
<span>Do you mean what elements make up carbohydrates? That would be carbon, hydrogen, and oxygen.
Or, do you mean what do we call the units of a carbohydrate polymer? That would be a monosaccharide.
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