In the female, the two most important products of the ovaries are           a. estrogens and ova.   b. estrogens and androgens.   c. ova and androgens.   d. polar bodies and estrogens.

A. estrogens and ova

The answer is  

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.