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Searching for questions in category general science

Found 542 questions. Showing results 1 to 5.

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1.	Whose decision is it that our country uses the standard system and not the metric system? I find it confusing that almost every other country uses the metric system except for the United States. Why don't we? If our country ever did switch to the metric system, who would be in charge of confirming that change?
2.	How do antiseptic soaps work?
3.	We need to test lead on slugs or some other form of invertebrates. How can we do that? What sort of behavior to look for? Lead is a neurotoxin, so we assumed the response to the lead would be some sort of behavioral problem like loss of appetite or less movement, but we are not sure. Thanks for your help!
4.	How does ethyl alcohol kill bacteria?
5.	I need to know the procedure for determining the amount of lead in a given sample of lipstick. I know it is like a microscopic amount .