The answer is C.
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Answer:
A molecule
Explanation:
When two or more atoms join together. If atoms combine that have two or more different elements, its called a compound. All compounds are molecules, but not all molecules are compounds.
1 is the answer to your question.
Answer:
Perform different functions for the organisms
Explanation:
1-Stem cells can differentiate into other specialized cells.
2-Specialized cells are more complex.
3-Specialized cells usually do not reproduce