This means that light from one star takes 100 earth years to travel to the other.
it's 5.879 × 10^14 miles
Answer: Coagulation and flocculation are often the first steps in water treatment. Chemicals with a positive charge are added to the water. The positive charge of these chemicals neutralizes the negative charge of dirt and other dissolved particles in the water.
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We can use rivers to get fresh water
The answer would be D.all the above
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chita, creo xd
me das 5 estrellas¿ es q necesito puntos para publicar una pregunta