Some plants cant survive.
Answer: Your brain constantly gets signals from your body which detect the amount of oxygen and carbon dioxide in your blood. Your brain will send signals to the muscles involved in breathing and adjust your breathing rate depending on how active you are.
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Answer:
- corrosion
- bases
- 7
- It warys of how much concentration there is
- over 7
EXPLANATION:
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They return nutrients from waste or dead organisms back into the ecosystem to be recycled.
