Spanish, 02.09.2021 20:30 Nonniel0v3
NATURALLY OCCURING COPPER EXIST IN TWO ISOTOPIC FORMS 63^CU AND 63^CU .THE ATOMIC MASS OF COPPER IS 63.55 amu .what is approximate natural abundance of 63^cu?
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Spanish, 23.06.2019 19:30
Giving 20 points! explain why i is said that the sun never set on the spanish empire.
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Spanish, 23.06.2019 20:40
Tengo dos lagartos _[blank]_ en mi casa. which word best completes the sentence? marrón rojas verde negros
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NATURALLY OCCURING COPPER EXIST IN TWO ISOTOPIC FORMS 63^CU AND 63^CU .THE ATOMIC MASS OF COPPER IS...
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