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Scientists believe Mars once had thick clouds of carbon dioxide rings water oxygen

Scientists believe Mars once had thick clouds of carbon dioxide rings water oxygen
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3 votes
Scientists believe Mars once had

thick clouds of carbon dioxide
rings
water
oxygen

User Marsolmos
by
7.5k points

2 Answers

2 votes

Answer:

The answer is rings scientists believed mars once had rings

Step-by-step explanation:

User Iasksillyquestions
by
7.8k points
3 votes

Answer:

The correct answer would be option B. Scientists believed Mars once had water.

Step-by-step explanation:

User Iibrahimbakr
by
7.6k points
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