4. Acid rain is caused by which of the following?
(a) Carbon dioxide
(b) Lead
(C) Carbon monoxide
(d) All of the above
5. The process by which oxidation of food in our body takes place is called
(a) Photosynthesis
(b) Decomposition
(C) Respiration
(d) Combustion
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Verified answer
Answer:
4. C) Carbon monoxide
5. b) Decomposition
corbon monoxide , respiration
Explanation:
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