The wavelength of light is defined as (a)how many waves pass a certain point each second (b)the distance from the crest of one wave to the crest of the next wave (c)how long it takes for one wave to pass a certain point (d)how tall the wave is

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

0.55x745.7j and a calculator