Cancer is the typical result of cell division
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</span>Most cells of the body have self markers on the surface of their cell called the major histocompatibility complex (MHC). The MHC allows cells of the immune system to recognize the cell as part of our self.<span>system to recognize the cell as part of ourself.</span>
C. Changes to biodiversity can positively and negatively affect an ecosystem.
Answer:
primary consumer
Explanation:
I'm doing this because it need 20 characters
It would be B. the mixture became warm, as a change in temperature is certain evidence that a chemical reaction has taken place.