The answer to your question would be A. i hope this answer has helped
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Hello!
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❖ The homologous chromosomes (sister chromatids) move to opposite poles of the cell. The sister chromatids are pulled to opposite poles by spindle fibers.
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You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
Answer:
i think it is the middle one
B