Answer: Static Electricity
A i dont know i think its due to the equation of it
If you know the height of the ship while in calm water,you can subtract the height of the ship with aware at its peak point and it will tell yoi how tall the wave is.
When a light wave encounters an object, they are either transmitted,reflected,absorbed,refracted,diffracted, or scattered depending on the wave
Omitting the 1 will not change the value of the number, but will change the units at the end of the problem