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Answers by Amir

Answers by Amir
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Iodine-131 is a radioactive isotope. after 8.00 days, 50.2% of a sample of 131i remains. what is the half-life of 131i?
answered Feb 15, 2019
6 votes
77.5k views
Some students want to know if residents of their town are in favor of building a new school. Kevin surveys all of the residents in his neighborhood.Identify Kevin’s type of sampling method. systematic
answered Jan 10, 2019
7 votes
20.0k views
Por que há um padre representado no quadro ? Quem representa o governo local ?
answered Feb 1, 2018
5 votes
126k views
There are no longer any members of a population that are alive. This population is said to be a population ready for evolution adapting to change extinct
answered Jun 24, 2017
6 votes
6.7k views
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