The correct option is B.
A multi cellular organisms has many cells which carry out various function and which are organised into tissues, organs and organ system. A unicellular organism on the other hand has only one cell with different cell organelles. Thus, in unicellular organisms, it is the cell organelles that carry out different functions. <span />
The correct answer to your following question would be letter, C, The bent structure of a water molecule. I hope this helps you out let me know.
Answer: your on the right track
Explanation:
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