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In flowering plants,gametes are produced mitotically from spores.
Glacier
A large, slow-moving river of ice, formed from compacted layers of snow, that shapes the landscape through its movement and melting.
U-Shaped Valley
A type of valley formed by the erosive action of glaciers, characterized by its U-shaped cross-section.
Lateral Moraine
A deposit of debris along the sides of a glacier, formed from the accumulation of material eroded from the valley walls.
Terminal Moraine
A terminal moraine is a type of moraine that forms at the end of a glacier, marking the furthest advance of the glacier, and consists of a ridge of debris that was transported and deposited by the ice.
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