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When two valley glaciers join together, they form a option(a)i.e, medial moraine at the point at which they merge.
An existing glacier has a medial moraine on top of and within it. When two glaciers come together, medial moraines are created. From two distinct glaciers, two lateral moraines are pushed together. The middle of the new, larger glacier is formed by a single line of boulders and mud made of this material.
Moraines are crucial elements for comprehending historical settings. Glaciologists can reconstruct the previous size of glaciers and ice sheets that have since decreased or vanished totally using terminal moraines, for instance, which record the greatest extent of a glacier advance.
The glacier's slopes have been covered in lateral moraines. At the meeting of two glaciers are lateral moraines. Ground moraines are jumbled mounds of rocks in a variety of sizes, forms, and rock kinds.
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When two valley glaciers join together, they form a ________ at the point at which they merge.
A) medial moraine C) recessional moraine B) till plain D) terminal moraine