Niha is writing some sentences about condition for combustion. Choose the correct
sentences and help her:
(a) Heating the combustible substance to its ignition temperature.
(b) Presence of a supporter of combustion like air or oxygen.
(c) Presence of a combustible substance.
(d) All the above
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तढतढतघयघयघयघरघतघतघथगज
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