I think the answer is A
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<span>The lowest quantity of energy that the reacting species must possess in order to undergo a specified reaction.</span>
Answer:
tropical, temperate, and polar
Answer:
Autorhythmicity of the heart
Explanation:
It is the study of the characteristics features of the cardiac muscle cells with the ability to initiate action potential at certain level without connection to any external stimulus which the heart beats constantly and rhythmically. Cardiac muscle cells controls the rate of contraction of heartbeats.
Answer: IV: the tire treads. DV: The braking distance of the car
Explanation: