Give two ways in which carbon dioxide is fixed.
(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.
Consider the following statements regarding the ways in which carbon dioxide is “fixed” and choose the correct option.
1. Green plants convert carbon dioxide into glucose in the presence of sunlight.
2. Marine animals use carbonates dissolved in sea water to make their shells.