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As you might think, bacterial infections are caused by bacteria, and viral infections are caused by viruses. Perhaps the most important distinction between bacteria and viruses is that antibiotic drugs usually kill bacteria, but they aren't effective against viruses.
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The second one probably because of the law of conservation of mass where mass is not created or destroyed, so the mass has to be the same.
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What is the question you are trying to ask?
Explanation:
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Answer: i think the force will be a little smaller and the other force pulling left will be 0
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