Question

Differentiate between SIAL and SIMA.​

Answer 1

Explanation:

Sial is composed of silicon and aluminium.It is upper layer which forms a discontinuous cover over the Earth's crust and is entirely absent the ocean floor. Sima is composed of silicon and magnesium. This is the second layer below sial which forms the ocean base. It is also called oceanic crust.

Answer 2

Answer:

ꜱɪᴀʟ ɪꜱ ᴄᴏᴍᴩᴏꜱᴇᴅ ᴏꜰ ꜱɪʟɪᴄᴏɴ ᴀɴᴅ ᴀʟᴜᴍɪɴɪᴜᴍ.ɪᴛ ɪꜱ ᴜᴩᴩᴇʀ ʟᴀyᴇʀ ᴡʜɪᴄʜ ꜰᴏʀᴍꜱ ᴀ ᴅɪꜱᴄᴏɴᴛɪɴᴜᴏᴜꜱ ᴄᴏᴠᴇʀ ᴏᴠᴇʀ ᴛʜᴇ ᴇᴀʀᴛʜ'ꜱ ᴄʀᴜꜱᴛ ᴀɴᴅ ɪꜱ ᴇɴᴛɪʀᴇʟy ᴀʙꜱᴇɴᴛ ᴛʜᴇ ᴏᴄᴇᴀɴ ꜰʟᴏᴏʀ ᴡʜɪʟᴇ ꜱɪᴍᴀ ɪꜱ ᴄᴏᴍᴩᴏꜱᴇᴅ ᴏꜰ ꜱɪʟɪᴄᴏɴ ᴀɴᴅ ᴍᴀɢɴᴇꜱɪᴜᴍ. ᴛʜɪꜱ ɪꜱ ᴛʜᴇ ꜱᴇᴄᴏɴᴅ ʟᴀyᴇʀ ʙᴇʟᴏᴡ ꜱɪᴀʟ ᴡʜɪᴄʜ ꜰᴏʀᴍꜱ ᴛʜᴇ ᴏᴄᴇᴀɴ ʙᴀꜱᴇ. ɪᴛ ɪꜱ ᴀʟꜱᴏ ᴄᴀʟʟᴇᴅ ᴏᴄᴇᴀɴɪᴄ ᴄʀᴜꜱᴛ.