What does water freezes mean?

[Elina]

English Language Tests, Intermediate level

ESL/EFL Test #120 "Conditional Tenses", question 3

It's quite simple really. When it's cold, water ..........

(a) froze
(b) has frozen
(c) freezes
(d) had frozen

English Language Tests, Intermediate level

ESL/EFL Test #120 "Conditional Tenses", answer 3

It's quite simple really. When it's cold, water freezes.

Correct answer: (c) freezes
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EXPLEIN IT

[Alan]

Hi,

When the temperature goes down very low, water becomes ice.

Alan
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