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A constraint between two attributes is called a(n) :
Glaciers
Massive, slow-moving bodies of ice that form where snow accumulates faster than it melts, often moving under their own weight.
Mountains
Elevated portions of the Earth's surface, usually forming ranges or peaks, created by tectonic forces or volcanism.
Sand
Fine grains of minerals or rock fragments, often found on beaches and deserts, formed due to weathering and erosion of rocks.
Sediments
Particles of rock, mineral, or organic materials that are transported by wind, water, or ice and deposited on the surface of the Earth.
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