In DNA Nucletide monomer are linked to the next through covalent bonds
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Biodegradability and what chemicals are produced when it is broken down.
Answer:
The respiratory system.
Explanation:
The circulatory system works with the respiratory system. The circulatory system transports oxygen through the body, while the respiratory system supplies the body with that oxygen.
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I believe the answer is B: Earth's oceans absorb some of the carbon dioxide from the atmosphere.