The layer of electrically charged molecules and atoms which spans 40-250 miles above ground called ionosphere causes the display of the aurora and the reflection of radio waves back to earth.
Answer:
Participant Observation
Explanation:
According to my research on Anthropological Research methods, I can say that based on the information provided within the question this type of research method is called Participant Observation. This type of methodology is usually used among Anthropologists, and is defined as a method where researchers choose to live in the lives of the group or species that they are studying.
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Examples of inclined planes are ramps, sloping roads and hills, plows, chisels, hatchets, carpenter's planes, and wedges.
Radio waves, Television waves, Microwaves, Infrared light, Visible light, Ultraviolet rays, X - rays, Gamma rays, and i think thats about it.
Sorry if i get this wrong Im in elementry school
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