7. Discuss in detail the erosional and depositional features of rivers.
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7. Discuss in detail the erosional and depositional features of rivers.
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Answer:
Question: Discuss in detail the erosional and depositional features of rivers. ... I-shaped valleys or canyons- are formed when a river cuts out a narrow valley with steep walls. V-shaped valley- Valleys are formed when river is still young and its flow is rapid. The erosion is predominantly vertical.
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ᴡᴀᴛᴇʀ ꜰʟᴏᴡɪɴɢ ᴏᴠᴇʀ ᴇᴀʀᴛʜ'ꜱ ꜱᴜʀꜰᴀᴄᴇ ᴏʀ ᴜɴᴅᴇʀɢʀᴏᴜɴᴅ ᴄᴀᴜꜱᴇꜱ ᴇʀᴏꜱɪᴏɴ ᴀɴᴅ ᴅᴇᴩᴏꜱɪᴛɪᴏɴ. ᴡᴀᴛᴇʀ ꜰʟᴏᴡɪɴɢ ᴏᴠᴇʀ ᴀ ꜱᴛᴇᴇᴩᴇʀ ꜱʟᴏᴩᴇ ᴍᴏᴠᴇꜱ ꜰᴀꜱᴛᴇʀ ᴀɴᴅ ᴄᴀᴜꜱᴇꜱ ᴍᴏʀᴇ ᴇʀᴏꜱɪᴏɴ. ᴍᴏᴜɴᴛᴀɪɴ ꜱᴛʀᴇᴀᴍꜱ ᴇʀᴏᴅᴇ ɴᴀʀʀᴏᴡ, ᴠ-ꜱʜᴀᴩᴇᴅ ᴠᴀʟʟᴇyꜱ ᴀɴᴅ ᴡᴀᴛᴇʀꜰᴀʟʟꜱ. ᴇʀᴏꜱɪᴏɴ ᴀɴᴅ ᴅᴇᴩᴏꜱɪᴛɪᴏɴ ʙy ꜱʟᴏᴡ-ꜰʟᴏᴡɪɴɢ ʀɪᴠᴇʀꜱᴄʀᴇᴀᴛᴇꜱ ʙʀᴏᴀᴅ ꜰʟᴏᴏᴅᴩʟᴀɪɴꜱ ᴀɴᴅ ᴍᴇᴀɴᴅᴇʀꜱ.