What role do salts like perchlorates play in allowing transient liquid water flows on the Martian surface?

Answer

They act as antifreeze, lowering the freezing point of water

Salts like perchlorates act as antifreeze, which lowers the freezing point of water, allowing it to exist temporarily in liquid form even when ambient temperatures are low.

What role do salts like perchlorates play in allowing transient liquid water flows on the Martian surface?

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