Answer:
Each time your heart beats, an electrical signal travels through the heart. An EKG can show if your heart is beating at a normal rate and strength. It also helps show the size and position of your heart's chambers. An abnormal EKG can be a sign of heart disease or damage.
Should be position one since the Northern Hemisphere is leaning towards the sun.
Answer:
Power has to travel a long distance over power lines to reach cities. Because there is no power plants.
Explanation:
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