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because FM signals go in a straight lines while on the other hand am signals scatter so more people can use it

Radio broadcasts bounce off of the ionized layer of the atmosphere, the ionosphere, in order to reach more distant receivers, but the state of the ionosphere can vary, and it does not always reflect the way we want it to.

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Is paper harder than rubber?

No, paper is typically softer than rubber. Rubber is a solid material known for its flexibility and elasticity, while paper is a lightweight material made from compressed fibers that is more brittle and easier to tear.


What are some places that have no electricity?

Some places that may not have electricity include remote rural areas, certain off-grid communities, some developing countries, and areas impacted by natural disasters. Additionally, some camping sites, cabins in remote locations, and certain islands may not have access to electricity.


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The air is clear in some places due to factors like low pollution levels, good air circulation, and minimal industrial activity. In contrast, air pollution in other places can be caused by factors such as vehicle emissions, industrial processes, and geographical features that trap pollutants.


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