In the case of the salt nacl, chloride (cl-) gives up an electron that is taken by sodium (na+), this is an example of
.

a hydrogen bond

a covalent bond

an ionic bond

a non-polar molecule

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.