The answers are photosynthesis, respiration, decomposition, natural rock weathering and fossil fuel combustion.
Answer:
Stars produce energy from nuclear reactions, primarily the fusion of hydrogen to form helium. These and other processes in stars have lead to the formation of all the other elements.
HYDROGEN
Explanation:
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1. Supplying oxygen to cell and tissue
2. Providing nutrients to cells
3. Protecting your body from infections
B because it a matched with T the first one would be T nd the second would be A
