Answer:
CORONA VIRUS!!
Explanation:AAAAHHHHHHHHHHHHHHH
Answer:
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P wave is the atria “firing”/depolarizing, the QRS complex is the ventricles depolarizing (and the atria are depolarizing while this happens), and the T wave is the ventricles depolarizing. Depolarizing is when it contracts, and repolarizing is when it relaxes and refills.
Answer:
D it is airborne it floats in the air and causes the allergy