Answer:
carbon dioxide
Explanation:
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because with to much of it in the atmosphere it would become harder for us to breath and the affects of oxygen deficiency are bad.
Answer:
A
Explanation:
Since the chart is around 48 when at 50%.
Answer:B
Explanation: because gene are made up of DNA and are the one which made Chromosome and allocated at point called locus
Answer:
False (SDS breaks noncovalent interactions)
