Answer: The P wave indicates atrial depolarization. The P wave occurs when the sinus node, also known as the sinoatrial node, creates an action potential that depolarizes the atria. The P wave should be upright in lead II if the action potential is originating from the SA node.
Explanation:
Solifluction takes place in areas where permafrost exists.so it's C.Hope this helps:)
The population of bacteria growed rapidly in section B, but stayed the same rate in Section C
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Depending on the organism, the cell can get its energy from the sun (Plant; Photosynthesis) or through ATP energy (Animal).
