Consider the following: 1. Photosynthesis 2. Res

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Consider the following:

1. Photosynthesis

2. Respiration

3. Decay of organic matter

4. Volcanic action

Which of the above add carbon dioxide to the carbon cycle on Earth?

?????????? ?? ???? ?? ???? ???:

1. ?????? ????????

2. ?????

3. ???????? ???????? ?? ????

4. ?????????? ??????

??????? ??? ?? ??? ?????? ?? ?????? ???? ??? ?????? ?????????? ?????? ???

[Ecology and Environment 2011-16 New Without Errors,UPSC IAS Prelims 2011]

A 1 and 4 only

केवल 1 और 4

B 2 and 3 only

2 और 3 ही

C 2, 3 and 4 only

केवल 2, 3 और 4

D 1, 2, 3 and 4

1, 2, 3 और 4

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