Multiple choice general knowledge science & technology

Liquid water cannot exist in Mars because of ________

  1. High Temperature

  2. High Pressure

  3. Low Temperature

  4. Low Pressure
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Liquid water cannot exist on Mars' surface primarily because of the extremely low atmospheric pressure, which is about 1% of Earth's. At such low pressure, water either boils away immediately or remains frozen, making stable liquid water impossible on the surface.

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