Glaciers were found in Africa because continents were connected and party covered with snow near the south pole long ago.
The answer is the 3rd one down I think
Answer is: ammonia experience only dispersion intermolecular forces with BF₃ (boron trifluoride) because BF₃ is only nonpolar molecule (vectors of dipole moments cansel each other, dipole moment is zero).
The London dispersion force (intermolecular force) <span>is a temporary attractive </span>force between molecules.
The answer choice is going to be B.
