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:
It’s halved and it doesn’t depend on the species
Answer: I believe the correct answer is choice A. The chromosomes are duplicated.
Answer:
Human: deciduous teeth: 212/212; adult = 2123/2123. Both childhood molars are replaced by adult premolars. Adult total is double the formula = 32
Explanation:
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The answer is B , it's the most one that makes sense.
