What heart problem would be experienced by an individual whose ecg is seen at c?
a. ecg tracings showing normal and various abnormal rhythms.
b. the atria are not pumping blood.
c. the ventricles are not reaching systole in every cardiac cycle.
d. the heart is not pumping any blood at all.
e. the heart would pump with too much pressure (hypertension).

The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.