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mina [271]
3 years ago
6

To survive, what gas do we need to breath in?

Biology
1 answer:
solniwko [45]3 years ago
7 0
Image result for To survive, what gas do we need to breathe in?www.wisegeek.org
oxygen
Your cells need oxygen to convert the nutrients you eat into energy for your body. In the process of making that energy, some waste products are produced. One of the main waste products is a gas called carbon dioxide.
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