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book Environmental Science: A Global ConcernEnvironmental Science: A Global Concern 11th Edition by William Cunningham, Mary Ann Cunningham cover

Environmental Science: A Global ConcernEnvironmental Science: A Global Concern 11th Edition by William Cunningham, Mary Ann Cunningham

النسخة 11الرقم المعياري الدولي: 978-0697806451
book Environmental Science: A Global ConcernEnvironmental Science: A Global Concern 11th Edition by William Cunningham, Mary Ann Cunningham cover

Environmental Science: A Global ConcernEnvironmental Science: A Global Concern 11th Edition by William Cunningham, Mary Ann Cunningham

النسخة 11الرقم المعياري الدولي: 978-0697806451
تمرين 14
What do we mean by carbon-fixation or nitrogen-fixation Why is it important to humans that carbon and nitrogen be "fixed"
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Carbon fixation- This is the light-indep...

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Environmental Science: A Global ConcernEnvironmental Science: A Global Concern 11th Edition by William Cunningham, Mary Ann Cunningham
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