External stimulus. The rain is something out of your control while you're waiting. Rain is not something you are doing nor is it a response to you waiting for the bus.
Outdated plugins can cause disruption
Answer:
Heredity
Explanation:
the passing on of physical or mental characteristics genetically from one generation to another
Answer:
Each electron carrier alternates between being reduced and being oxidized.
Mouth or nose = both openings and cavities
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Pharynx = tubelike passageway on top of the throat
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Larynx = a hollow muscular organ also called the voice box
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Trachea = a large membranous tube
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Bronchi = the major air passages of the lungs
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Lungs = the main organs of the respiratory system
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Bronchioles = any of the minute branches into which a bronchus divides
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Alveoli = microscopic pouches inside lungs where gas exchange occurs
NOTE: Please mark this as brainliest! I truly apologize if there were any mistakes. Hope this helped! :)
