The answer is: <span>A- Genes for body and wing size were on the same chromosome and inherited together</span>
Answer:
The atmospheric pressure goes on decreasing as we go up above the sea-level. Therefore, the amount of oxygen also decreases at higher altitude. Due to this reason, mountaineers carry oxygen cylinders with them, while climbing high mountains
Explanation:
It could be C or A but I’m leaning towards C
Answer:
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Calcium in the teeth provides appropriate pH levels in the mouth.