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book Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht cover

Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht

النسخة 4الرقم المعياري الدولي: 978-0078024221
book Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht cover

Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht

النسخة 4الرقم المعياري الدولي: 978-0078024221
تمرين 1
The mass number of an atom depends primarily on the number of
A) protons and neutrons.
B) positrons.
C) neutrons and electrons.
D) protons and electrons.
التوضيح
موثّق
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Thus the correct answer is protons and n...

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Essentials of Biology 4th Edition by Sylvia Mader ,Michael Windelspecht
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