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That's simply because any electromagnetic wave longer than a microwave is called a radio wave. Microwaves: Obviously used for cooking in microwave ovens, but also for transmitting information in radar equipment. Microwaves are like short-wavelength radio waves. Typical size: 15cm (the length of a pencil).
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juz taking points nvm no sry for u cos u too wasted point
Answer:
The answer ro this question is fear of failure
Antoine-Laurent Lavoisier was the first person to report the four element classification system but also ended up including some compounds rather than elements.