When molecules have an even charge distribution and no dipole moment then they are nonpolar molecules. CO2 is a linear molecule, so our dipoles are symmetrical; the dipoles are equal in magnitude but point in opposite directions. Generally, when dipole distribution is symmetrical there is no dipole moment.
Degenerative joint disease (medical condition): Osteoarthritis is a form of arthritis typically caused by age-related wear-and-tear. In diagnosis, it ...
Each knuckle month has 31 days, while each valley month has only 30 days (excepting of course February). February has a smaller leftover amount of 28 or 29 days because pre-45 B.C. it was the last month of the Roman calendar year which started every March.