B. identical body cells
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When you cross the parents on the outside of the Punnett square, the letters inside the boxes are the offspring
O type blood contains both A and B antibodies.
Answer: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.
Explanation:
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the answer to ur question is : 1,3, and 4
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