Before revision: Climatology Is a science that bases its more general knowledge on the more specialized disciplines of meteorology, oceanography, geology, and astronomy, which in turn are based on the basic sciences of physics, chemistry, and mathematics.
After revision: Climatology Is a science that bases its more general knowledge of the more specialized disciplines of meteorology, oceanography, geology, and astronomy, which in turn are based on the basic sciences of physics, chemistry, and mathematics.