Question

Q.3. answer in brief (3) Explain the reasons for the generation of waves
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Answer 1

Explanation:

Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest. ... The gravitational pull of the sun and moon on the earth also causes waves.

Answer 2

Answer:

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ᴡᴀᴠᴇs ᴀʀᴇ ᴍᴏsᴛ ᴄᴏᴍᴍᴏɴʟʏ ᴄᴀᴜsᴇᴅ ʙʏ ᴡɪɴᴅ. ᴡɪɴᴅ-ᴅʀɪᴠᴇɴ ᴡᴀᴠᴇs, ᴏʀ sᴜʀғᴀᴄᴇ ᴡᴀᴠᴇs, ᴀʀᴇ ᴄʀᴇᴀᴛᴇᴅ ʙʏ ᴛʜᴇ ғʀɪᴄᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴡɪɴᴅ ᴀɴᴅ sᴜʀғᴀᴄᴇ ᴡᴀᴛᴇʀ. ᴀs ᴡɪɴᴅ ʙʟᴏᴡs ᴀᴄʀᴏss ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴏғ ᴛʜᴇ ᴏᴄᴇᴀɴ ᴏʀ ᴀ ʟᴀᴋᴇ, ᴛʜᴇ ᴄᴏɴᴛɪɴᴜᴀʟ ᴅɪsᴛᴜʀʙᴀɴᴄᴇ ᴄʀᴇᴀᴛᴇs ᴀ ᴡᴀᴠᴇ ᴄʀᴇsᴛ. ... ᴛʜᴇ ɢʀᴀᴠɪᴛᴀᴛɪᴏɴᴀʟ ᴘᴜʟʟ ᴏғ ᴛʜᴇ sᴜɴ ᴀɴᴅ ᴍᴏᴏɴ ᴏɴ ᴛʜᴇ ᴇᴀʀᴛʜ ᴀʟsᴏ ᴄᴀᴜsᴇs ᴡᴀᴠᴇs.