Lateral roots that extend out are called roots.

Lateral roots that extend out are called called tap roots. 

>The first root which develops from a radicle and becomes dominant is called a taproot.  
>Roots that develop from other roots are generally termed as  lateral roots; >Roots that arise from other plant organs rather than the root,  are called adventitious roots.

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.