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stepladder [879]
3 years ago
15

If you dont know the answer then dont put it

Biology
1 answer:
NemiM [27]3 years ago
5 0

Answer:

Question 1-Bubbles

question 2-balanced because of the law of conservation of matter and energy

question 3-atomic number

question 4-buffers prevent pH changes in body system

question 5-metal and non metal

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