Answer:
The coughing reflex kicks in, only if the epiglottis reflex fails to. If the coughing reflex fails then the Heimlich maneuver may be needed.
Law of conservation of mass states that overall mass can neither be created nor destroyed. It means, that mass in left hand side & right hand side of the reaction would always remains constant
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Answer:
lizard tails with vivid blue reflectance evolved in communities with either weasel or snake predators, which can both detect blue wavelengths. However, lizard tail UV reflectance was much higher in populations with only snake predators, perhaps because snakes can detect UV, yet weasels cannot. Finally, a cryptic brown tail evolved on islands where birds are the primary lizard predator. Because birds have keen visual acuity, a brown, camouflaged tail may be more advantageous.
Explanation:
Answer:
The candle
Explanation:
It exposes the wax to a chemical change that is almost impossible to revert
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