Question

fill in the blank question during frost , water collects in the cracks of rocks . the rocks . the water repeatedly freezes and thaws , widening the in the rocks . need help ? review these concept resources . 2. read about the concept

Explanation:

The first blank describes the time or condition when water collects in rock cracks during frost - this is "weather" (specifically cold/frosty weather). The second blank is about what freezes, expands, and exerts pressure - that's "water" (when water freezes, it expands). The third blank is what gets widened in the rocks - the "cracks" (the repeated freezing and thawing of water widens the cracks in the rocks).

Answer:

First blank: weather
Second blank: water
Third blank: cracks