Radio waves. A cell phone transmits its signal to the towers by <em>electromagnetic waves</em>.
The electromagnetic waves are in the <em>radiofrequency region</em> of the electromagnetic spectrum.
Most cell phones in North America use radiofrequencies between <em>700 MHz and 850 MHz</em> and between <em>1700 MHz and 2500 MHz</em>.
Well for correct answers/results, for example when they are making vaccines, these are weakened harmful or disease which can cause sorts of viruses... and a little of the virus then it would not be a vaccine or simply would not build you antibodies, and too much of it would not also not a vaccine since it will already inflict a disease or possibly be deadly or fatal <span>
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Answer:Macaya (floruit 1802), was a Kongolese-born Haitian revolutionary military leader. Macaya was one of the first black rebel leaders in Saint-Domingue to ally himself with the French Republican commissioners Sonthonax and Polverel. He helped to lead forces that recaptured Cap-Français on behalf of the French Republicans.
Macaya was born in west-central Africa, probably in the Kingdom of Kongo, and taken to the French colony of Saint-Domingue as a slave. After the outbreak of the 1791 slave rebellion in northern Saint-Domingue, Macaya became a lieutenant of an elderly rebel commander named Pierrot. Pierrot's rebel forces were based in the hills outside of Le Cap (Cap Francaise), near Bréda plantation by 1793.
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b because 24 <3
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hdjsna surveyed I need points lol sorry for wasting time