Examlex
Reinforcers that satisfy a biological need are called _____ reinforcers.
River
A large natural stream of water flowing in a channel to the sea, a lake, or another river.
Glaciers
Glaciers are vast bodies of ice that form over eons from the accumulation and compaction of snow, significantly shaping the earth's landscape as they move.
Smooth Troughs
Linear and elongated depressions on the Earth's surface that are characterized by their smooth, rounded shapes.
Marine Sediments
Particles of organic and inorganic matter that settle at the bottom of bodies of water, contributing to the ocean floor's makeup.
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