Does it take 18 months for twins to be born, and 27 months for triplets, and so on?

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

wavelegth as in spectrum red oygbiv

e/c, where e is its total energy

this would be about 43%