Why does the professor consider it important to find out if water ice exists on the Moon？

Why does the professor consider it important to find out if water ice exists on the Moon？ Choose 2 answers.

A．Water ice could be processed to provide breathable air for astronauts.

B．One component of water ice could be used as a fuel for rockets.

C．Water ice could contain evidence of primitive life on the Moon.

D．Water ice could be tested to find out what type of meteors crashed into the Moon.

此题为多项选择题。请帮忙给出正确答案和分析，谢谢！

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