6th Class
General Knowledge
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Universe
question_answer
The solid core structure of a comet is known as the nucleus. The nucleus of a comet is composed of an amalgamation of rock, dust, water, ice and many frozen gases. Which of the following gases is the nucleus of a comet composed of?
A) Carbon dioxide only
B) Carbon monoxide and methane only
C) Ammonia and methane only
D) Carbon dioxide, carbon monoxide, methane and ammonia