በረዶ

በረዶ በጣም ቀዝቅዞ ጠጣር የሆነ ውሃ ነው። የውሃ ቅዝቃዜው ኣልቦ ዲግሪ ሴንቲግሬድ ወይም 32 ዲግሪ ፋረንሃይት ሲደርስ በረዶ ይሆናል።

A natural block of (water) ice

Snowflakes (ice crystals) by Wilson Bentley, 1902

Trekking on ice

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