The correct answer is
comets
Comets, in fact, follow a very elliptical orbit around the Sun. In fact, they have the most elliptical orbit of all astronomical objects. According to Kepler's second law, the velocity of an object orbiting the Sun depends on its distance from the Sun: the closer it is to the Sun, the faster it moves, and the further it is, the slower it moves. Due to their very elliptical orbit, the distance of the comets from the Sun change a lot, therefore they experience the most drastic change in velocity (more specifically, they move very fast as they approach the Sun, while they move very slow when they are very far from the Sun).
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Answer:
(a) decrease
Explanation:
Viscosity is the resistance which occur to flow of the fluid.
More the inter molecular forces between particles of the liquid, more the viscosity of liquid.
<u>Effect of temperature on viscosity:-</u>
Viscosity decreases with the increase in the temperature as forces among the particles decrease on increasing temperature. The kinetic energy of the particles of the liquid increases causing to move in more random motions and thus weaker inter molecular forces and this offer less resistance to the flow.
<u>Hence, viscosity of the liquids decrease with the increasing temperature.</u>
The last option would be I think