The answer is A. An electrocardiogram (EEG) measures the electrical activity of the heart to see if there’s any irregularities in the heartbeat. Irregularities in your heartbeats can be caused by many things including blockages which can cause strokes and heart attacks. It’s a good idea for students or any athletes to get an EEG as part of their physicals to rule out any heart issues.
The Van Allen belts are created by a planet's magnetic field. Therefore C. Earth's magnetosphere is the correct answer
Energy coupling the affect of the sun providing evergy to cells. Coupling is the thing that has the energy to provide it