By examining electron domain geometry, one can determine that the ammonia molecule (NH3) has
a. one sp2 orbital.
b. two sp2 orbitals.
c. three sp3 orbitals.
d. four sp3 orbitals.

Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust