<span>Organs are formed by tissues combined together.
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Answer:
The structural and fundamental unit of life is called the cell.
Answer:
Chemosynthesis occurs around hydrothermal vents and methane seeps in the deep sea where sunlight is absent. ... In the diagram mussels and tubeworms are using the hydrogen sulfide released from a hydrothermal vent. The chemical equation given here for chemosynthesis is just one of a number of possibilities.
Explanation:
Answer:
Because they had to make sure the results were consistent.
Explanation:
