If someone uses a coal-stove for three-four hours in a closed room. Th – McqOptions

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1.	If someone uses a coal-stove for three-four hours in a closed room. The fatal effect will be
A.	the temperature of room will increase abnormally
B.	the level of carbon dioxide will increase in the blood
C.	the level of carbon monoxide will increase in the blood
D.	the level of haemoglobin will increase in the blood
Answer» D. the level of haemoglobin will increase in the blood

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