The reactive CARBONYL GROUP, contributes to the ability of aldehydes and ketones to be involved in energy reactions. Aldehydes and ketones undergo different types of reactions that lead to various products. One example of these reactions are nucloephilic reactions which lead to the production of alcohols, alkenes, diols, imine, etc.
When the body is stressed, muscles tense up. Muscle tension is almost a reflex reaction to stress — the body's way of guarding against injury and pain. With sudden onset stress, the muscles tense up all at once, and then release their tension when the stress passes.
The electromagnetic radiation with wavelengths between 380 nm and 700 nm is visible light (option D).
<h3>What is electromagnetic spectrum?</h3>
Electromagnetic spectrum is the entire range of wavelengths of all known electromagnetic radiations extending from gamma rays through visible light, infrared, and radio waves, to X-rays.
The electromagnetic spectrum is made up of the following radiations separated by differing ranges of wavelengths;
- ultraviolet (400 nm - 1 nm)
- visible: (750 nm - 400 nm)
- near-infrared: (2.5 μm - 750 nm)
- infrared: (25 μm - 2.5 μm)
- microwaves : (1 mm - 25 μm)
- radio waves : > 1 mm
Therefore, the electromagnetic radiation with wavelengths between 380 nm and 700 nm is visible light (option D).
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