Natural Variation. Natural variation includes internal and external variability influences such as the solar Schwabe cycle, oceanic cycles, seasonal influences based on changes caused by the interaction of the various natural oscillations in the climate system.
Answer by solver91311(22529) (Show Source): You can put this solution on YOUR website! It means raised to the power of. So if you see x^2, then it means x raised to the power of 2, which is to say x squared or . If you only see x^, then the writer is incorrectly using the symbol, probably to mean x^2, i.e. .
A word equation represents the ingredients of the reaction. The reactants and products are written in words. The '+' symbol shows the separate ingredients, while the ' ' symbol stands for 'reacts to form'. Chemical equations go a bit further by being more specific about the formulae involved.