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Answer:
In the electromagnetic spectrum, the visible spectrum is the part, which is perceptible to the human eye. The electromagnetic spectrum in this array of wavelengths is known as simply light or the visible light. A general human eye will react towards the wavelengths in the range between 380 to 740 nm. A human eye sees the sky as blue that comes in the wavelength 490 nm because of the scattering of the visible light by the particles in the atmosphere. This concludes that 490 nm is the sole wavelength, which is reaching the eye.
Well there really isn't an age limit, sometimes the parents don't want you to date but you can date at any age really, Most people I know started dating when they were 9 to 10 years old. I hope this helps and if you have any more questions, Feel free to ask.
Answer:
A. The sum of all genetic traits in a population's individuals at a given time
Explanation:
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