Examlex
Cluster sampling is preferred when the objective is to ________.
Fracture
A break or crack in rock or bone.
Icebergs
Large pieces of freshwater ice that have broken off from a glacier or ice shelf and float in open water.
Glacier
A large, slow-moving mass of ice, formed from compacted snow and slowly flows over land.
Ice
Frozen water, existing in various forms in nature, including snow, glacial ice, and sea ice, playing a critical role in Earth's climate system.
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