UPSC Civil Services Prelims 2013
Question 46 of 64Science
Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? 1. Volcanic action 2. Respiration 3. Photosynthesis 4. Decay of organic matter Select the correct answer using the code given below:
A1 and 3 only
B2 only
C1, 2 and 4 only
D1, 2, 3 and 4
Correct Answer
The correct answer is hidden
Explanation
24 words hidden ... and fixes it into biomass. Therefore, Statements 1, 2, and 4 are hidden, while Statement 3 is not. The question tests ... 23 words hidden