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Phosphorus-32 has a half life of 14 days. If we begin with 40 mg how much is left after 42 days?
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This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
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Stage in which a typical star has completely stopped fusion
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Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
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Phosphorus-32 has a half life of 14 days. If we begin with 40 mg how much is left after 42 days?...
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