The comet which is violent and large scale, causing sudden and violent upheaval is known as "Cataclysmic Comet"
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Answer:D.no of the above
Explanation:get right with Christ
Explanation:
The critical velocity is that velocity of liquid flow, up to which its flow is streamlined (laminar)& above which its flow becomes turbulent. It's denoted by Vc & it depends upon: Coefficient of viscosity of liquid (η) Density of liquid. Radius of the tube.
