Answer:A black hole is a place in space where gravity pulls so much that even light cannot get out.
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you need to add the possible answers
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The difference between geography and housing is
There are reports of iron overdosage in the United States under 6 years of age and this is one of the common death due to poisoning. The red blood cells have hemoglobin which is a protein carrying oxygen to the cells in the body. The body then needs iron to produce hemoglobin. If one does not have iron, the red blood cells will become pale and smaller thus they cannot carry oxygen enough in the body.
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A variety of peroxide compounds, including carbamide peroxide, hydrogen peroxide, sodium perborate and calcium peroxide, have been used as active ingredients for bleaching materials
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