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5 votes
Neptune's blue color is caused by _____.

1.water on the surface
2.highly reflective clouds
3.methane in the atmosphere
4.ice covering the planet

2 Answers

2 votes
It could be number 2
User Chapsterj
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4.6k points
1 vote
The answer is 3, I did research lol hope that helps :)
User AJH
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