The apparent contradiction is
the increased brightness is caused by gas and dust produced when the comet is breaking up -- > this happens in September, but the comet has not actually broken up into pieces until November.
Only option C accounts for both these ... it correctly says how gas and heat were produced( through cracks) , even though the comet actually broke into pieces much later.
@amitsurana : Option A is wrong because, it says the gas and heat were only released much later
...
the increased brightness is caused by gas and dust produced when the comet is breaking up -- > this happens in September, but the comet has not actually broken up into pieces until November.
Only option C accounts for both these ... it correctly says how gas and heat were produced( through cracks) , even though the comet actually broke into pieces much later.
@amitsurana : Option A is wrong because, it says the gas and heat were only released much later
...
![FLO – Therapy at the Club – Pre-Single [iTunes Plus M4A]](http://is1-ssl.mzstatic.com/image/thumb/Music221/v4/a4/11/88/a41188ed-0f2e-e8d5-1163-d59e373cc58c/26UMGIM30046.rgb.jpg/208x208bb.webp)
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