Consider the following:1. Photosynthesis2. Respiration3. Decay of orga – McqOptions

MCQOPTIONS

1.	Consider the following:1. Photosynthesis2. Respiration3. Decay of organic matter4. Volcanic actionWhich of the above add carbon dioxide to the carbon cycle on Earth?
A.	1 and 4 only
B.	2 and 3 only
C.	2, 3 and 4 only
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

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