NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
Give two ways in which carbon dioxide is fixed.
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(i) Green plants, through photosynthesis, convert carbon dioxide (CO₂) to glucose in the presence of sunlight.
(ii) Many marine animals use carbonates dissolved in sea water to form their shells.