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1. Effects

1.1. reacts with hemoglobin in the blood to form carboxyhemoglobin

1.2. Prevents red blood cells from carrying oxygen around the body.

2. China

2.1. Carbon Monoxide

2.1.1. Hola amigo

2.1.1.1. incomplete combustion of

2.1.1.1.1. charcoal

2.1.1.1.2. wood

2.1.1.1.3. petrol

2.1.1.2. incomplete combustion due to insufficient oxygen

2.2. Reducing pollutant

2.2.1. ensure sufficient oxygen during combustion