Question

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Answer 1

Answer:

1. The significant landforms resulting from erosion by rivers include gorge, canyon, V-Shaped Valley, waterfall, pothole, structural bench, river terrace, river meander, ox-bow lake, peneplain, etc. Gorges are formed due to active down cutting of the valleys.

2.Biological weathering is weathering caused by plants and animals. Plants and animals release acid forming chemicals that cause weathering and also contribute to the breaking down of rocks and landforms. Chemical weathering is weathering caused by breaking down of rocks and landforms.

3.Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion. ... The two main types of waves are body waves and surface waves. Body waves can travel through the earth's inner layers, but surface waves can only move along the surface of the planet like ripples on water.

Explanation:

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Answer 2

Answer:

2)Biological weathering combines both mechanical and chemical weathering and is caused by plants or animals. As plant roots grow deeper to find sources of water, they push through cracks in rocks, applying force to push them apart. As the roots grow, the cracks become larger and break the rocks into smaller pieces.