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Answer:
Choice C. Sodium bicarbonate acted as a pH buffer in Solution 2.
Explanation:
Sodium carbonate is used as pH buffering agent. Buffering agent is a type of solution which contains weak base or acid which stabilize the solution when another strong acid or base is added to the solution. If acid is added, the weak base that is present in the solution reacts with it and when base is added, weak acid reacts with it.
Oxyegen going in and carbon going out
Answer:
The population is defined as the group of organisms of the same species that live in the same area. Organism – An organism is a single individual plant, animal or other living thing. 10.