Question

what is seismic shadow zone​

Answer 1

Answer:

Explanation:

The seismic shadows are the effect of seismic waves striking the core-mantle boundary. P and S waves radiate spherically away from an earthquake's hypocenter (or focus) in all directions and return to the surface by many paths. S waves, however, don't reappear beyond an angular distance of ~103° (as they are stopped by the liquid) and P waves don't arrive between ~103° and 140° due to refraction at the mantle-core boundary.

Answer 2

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Answer⤵️

ᴛʜᴇ ꜱʜᴀᴅᴏᴡ ᴢᴏɴᴇ ɪꜱ ᴛʜᴇ ᴀʀᴇᴀ ᴏꜰ ᴛʜᴇ ᴇᴀʀᴛʜ ꜰʀᴏᴍ ᴀɴɢᴜʟᴀʀ ᴅɪꜱᴛᴀɴᴄᴇꜱ ᴏꜰ 104 ᴛᴏ 140 ᴅᴇɢʀᴇᴇꜱ ꜰʀᴏᴍ ᴀ ɢɪᴠᴇɴ ᴇᴀʀᴛʜQᴜᴀᴋᴇ ᴛʜᴀᴛ ᴅᴏᴇꜱ ɴᴏᴛ ʀᴇᴄᴇɪᴠᴇ ᴀɴʏ ᴅɪʀᴇᴄᴛ ᴘ ᴡᴀᴠᴇꜱ. ᴛʜᴇ ꜱʜᴀᴅᴏᴡ ᴢᴏɴᴇ ʀᴇꜱᴜʟᴛꜱ ꜰʀᴏᴍ ꜱ ᴡᴀᴠᴇꜱ ʙᴇɪɴɢ ꜱᴛᴏᴘᴘᴇᴅ ᴇɴᴛɪʀᴇʟʏ ʙʏ ᴛʜᴇ ʟɪQᴜɪᴅ ᴄᴏʀᴇ ᴀɴᴅ ᴘ ᴡᴀᴠᴇꜱ ʙᴇɪɴɢ ʙᴇɴᴛ (ʀᴇꜰʀᴀᴄᴛᴇᴅ) ʙʏ ᴛʜᴇ ʟɪQᴜɪᴅ ᴄᴏʀᴇ..

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