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Answered

Why does a comet have a tail?

a. Gravity causes its shape to morph.
b. In its high speed, the gases behind it are disturbed.
c. The ice and dust that make up a comet evaporate from the heat of the Sun.
d. All of the above​

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Zirycelmajgo

Answer: d

Explanation:

Comets leave long beautiful tails when they come close to the sun. ... But when it approaches the sun, the heat evaporates the comet's gases, causing it to emit dust and microparticles (electrons and ions). These materials form a tail whose flow is affected by the sun's radiation pressure.

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