<span>The requirements of Light-independent reactions is a chemical reaction that converts carbon dioxide and other compounds into glucose.
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I can not guarantee that this is correct, but it is my answer to your question.</span>
1. an atom
2. compound
3. both
4. atom
The water vascular system of a sea star enables movement, digestion and respiration through the use of water to exert force on limbs known as tube feet. The vascular system is primarily water but also contains coelomocytes, protein and potassium salts.
