Answer:
Fossils. The layer of rocks compresses the remains and the heat alters the remains. Oil and natural gas.
Explanation:
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The correct answer is C. Because spermatozoa and developing cells produce surface antigens that are recognized as foreign by the immune system.
This is important because the organism will react defensively towards the foreign bodies and fight them instead of accept them, so this will make a big problem in the process of fertilization.
Answer:
Nerve cells, blood cells, and reproductive cells
Explanation:
