Which structure prevents food and liquids from being inhaled when a person swallows
2 answers:
Answer:
epiglottis
Explanation:
Answer:
lungs
Explanation:
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mold juice
Explanation:
Answer:
polar
Explanation:
water is polar molecule
Type of chocolate bar, size of it, surface it is placed on, etc
Controlled variables are anything that stay the same for both trials
Answer:
C.
Explanation:
It is an output directly into the water.
