Look at the given diagram and answer the following question.
( 1. ) What does this experiment show ? __________________________
( 2. ) In this experiment balloon number and sheet and plastic bottle are equivalent to _______ , _______ and _______ respectively
( 3. ) Why deflated balloon becoming flatter than rubber sheet is pulled down ? _______________________________.
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2
Answer:
1. it's shows that how respiration occurs
Answered by
2
Answer:
breathing, respiration,oxygen
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