If wave a has a frequency of 4.60 x 10^14 s-1, what is the wavelength in nanometers (show your work)?

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answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

answer: they produce more slow than unicellular organisms.