Answer :
Final answer:
Engineers use higher-frequency electromagnetic waves for communication due to their ability to carry more information per unit time, especially in applications like microwaves for satellite communication and long-distance transmissions.
Explanation:
Engineers opt to use higher-frequency electromagnetic waves to send information because it is possible to carry more information per unit time on high frequencies. For example, microwaves are quite suitable for communications due to their high frequencies. Most satellite-transmitted information and land-based long-distance transmissions utilize microwaves. Additionally, a clear line of sight between the transmitter and receiver is necessary due to the short wavelengths involved.
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