After my research the answer is that they are forms of electromagnetic radiation as far as I know.
Glycogen is <span>type of molecule stores the main source of energy used by animals.
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I hope this helps :)
Answer:
green colour is most important
Answer:
the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second. the SI unit of frequency, equal to one cycle per second.