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Could we live on Mars?
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Is Mars bigger or smaller than Earth?
Smaller
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True or false: Astronauts have landed on Mars.
False
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How long would your food and water need to last you on Mars?
a year
a month
10 years
For the rest of your life
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True or False: There is running water on Mars.
False
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True or false: There are clouds on Mars.
True
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True or false: There is drinking water on Mars.
False
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How many people have walked on Mars?
None
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What is Mars's nickname?
The red planet
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When did Mars last have oceans?
yesterday
4 billion years ago
2 billion years ago
1 million years ago
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The climate on Mars is ____ than Earth's.
Colder
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Which planet is closer to the sun--Mars or Earth?
Earth
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What color is the soil of Mars?
Red
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