Final answer:
Level 3 liquids can pass through a straw due to capillary action.
Explanation:
True. Level 3 (moderately thick) liquids can easily pass through a normal straw due to the principle of capillary action. When you suck on the straw, it decreases the air pressure inside the straw, allowing the atmospheric pressure outside to push the liquid up the straw and into your mouth.
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