The answer to this is Homologous chromosomes.
This process is called DNA Replication. Replication is essential/needed with DNA and when the cell divides into two parts, the two daughter cells have to have the same genetic information. Replication is needed for this genetic information to be copied.
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Answer:
Im pretty sure its D or A
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.
Answer:
Big Bang, the universe is still expanding. Slowly the planets get further away from each other. It's the third planet from the sun, some believed that the earth was in the center of the universe and now we believe the sun is in the middle.Explanation: