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Carbon makes up what share of the dry weight of organisms?

A25 per cent
B49 per cent
C71 per cent
D1 per cent
Answer & Solution
Correct answer: B. 49 per cent
1. It is next only to water. 2. Carbon is 49 per cent of dry weight. 3. 71 per cent of global carbon is in the oceans. _Source: syllabus Biology, Chapter 14, Ecosystem._
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