Chemistry
Thermal electricity is generated by using which of these ?

Coal and Natural Gas only
Coal, Natural Gas and Petroleum
Coal only
None of these

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Chemistry
Man dies in the atmosphere of CO, because it

Reduces the organic matter of tissues
Dries up the blood
Combines with O2 present in the body
Combines with the haemoglobin of blood, thereby making the later incapable of absorbing O2

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