Question

answer me this question please​

Answer 1

Answer:

sorry I know help you

Explanation:

i hope help you

Answer 2

Explanation:

$\huge \bf \underline \mathfrak \red{question}:-$

:-

ʜᴏᴡ ᴅɪᴅ ᴛʜᴇ ᴠᴀʀɪᴏᴜꜱ ᴀɢᴇꜱ ᴏꜰ ᴛʜᴇ ᴘʀᴇʜɪꜱᴛᴏʀɪᴄ ᴘᴇʀɪᴏᴅ ɢᴇᴛ ᴛʜᴇɪʀ ɴᴀᴍᴇꜱ ᴏɴ ᴛʜᴇ ʙᴀꜱɪꜱ ᴏꜰ ᴜꜱᴇ ᴏꜰ ᴍᴇᴛᴀʟꜱ

$\huge \bf \underline \mathfrak \blue{answer}:-$

• ᴍᴇᴛᴀʟʟᴏɪᴅꜱ ʜᴀᴠᴇ ᴘʀᴏᴘᴇʀᴛɪᴇꜱ ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴏꜱᴇ ᴏꜰ ᴛʜᴇ ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ɴᴏɴ-ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ᴀʀᴇ ꜱᴇᴍɪᴄᴏɴᴅᴜᴄᴛᴏʀꜱ

• ᴍᴇᴛᴀʟʟᴏɪᴅꜱ ʜᴀᴠᴇ ᴘʀᴏᴘᴇʀᴛɪᴇꜱ ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴏꜱᴇ ᴏꜰ ᴛʜᴇ ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ɴᴏɴ-ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ᴀʀᴇ ꜱᴇᴍɪᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴡʜᴇʀᴇᴀꜱ ᴍᴇᴛᴀʟꜱ ᴀʀᴇ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴀɴᴅ ɴᴏɴᴍᴇᴛᴀʟꜱ ᴀʀᴇ ɴᴏᴛ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ) ᴀɴᴅ ᴜꜱᴇᴅ ᴇxᴛᴇɴꜱɪᴠᴇʟʏ

• ᴍᴇᴛᴀʟʟᴏɪᴅꜱ ʜᴀᴠᴇ ᴘʀᴏᴘᴇʀᴛɪᴇꜱ ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴏꜱᴇ ᴏꜰ ᴛʜᴇ ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ɴᴏɴ-ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ᴀʀᴇ ꜱᴇᴍɪᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴡʜᴇʀᴇᴀꜱ ᴍᴇᴛᴀʟꜱ ᴀʀᴇ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴀɴᴅ ɴᴏɴᴍᴇᴛᴀʟꜱ ᴀʀᴇ ɴᴏᴛ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ) ᴀɴᴅ ᴜꜱᴇᴅ ᴇxᴛᴇɴꜱɪᴠᴇʟʏ ɪɴ ᴄɪʀᴄᴜɪᴛʀʏ (ʟɪᴋᴇ ᴄᴏᴍᴘᴜᴛᴇʀ ᴄʜɪᴘꜱ). ... ᴛʜᴇʏ ᴄᴀɴ ʙᴇ ꜱʜɪɴʏ (ʜᴀᴠᴇ ʟᴜꜱᴛᴇʀ) ᴏʀ ɴᴏᴛ ᴡʜᴇʀᴇᴀꜱ ᴀʟʟ ᴍᴇᴛᴀʟ ᴀʀᴇ ꜱʜɪɴʏ.

• ᴍᴇᴛᴀʟʟᴏɪᴅꜱ ʜᴀᴠᴇ ᴘʀᴏᴘᴇʀᴛɪᴇꜱ ɪɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴏꜱᴇ ᴏꜰ ᴛʜᴇ ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ɴᴏɴ-ᴍᴇᴛᴀʟꜱ ᴀɴᴅ ᴀʀᴇ ꜱᴇᴍɪᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴡʜᴇʀᴇᴀꜱ ᴍᴇᴛᴀʟꜱ ᴀʀᴇ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴀɴᴅ ɴᴏɴᴍᴇᴛᴀʟꜱ ᴀʀᴇ ɴᴏᴛ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ) ᴀɴᴅ ᴜꜱᴇᴅ ᴇxᴛᴇɴꜱɪᴠᴇʟʏ ɪɴ ᴄɪʀᴄᴜɪᴛʀʏ (ʟɪᴋᴇ ᴄᴏᴍᴘᴜᴛᴇʀ ᴄʜɪᴘꜱ). ... ᴛʜᴇʏ ᴄᴀɴ ʙᴇ ꜱʜɪɴʏ (ʜᴀᴠᴇ ʟᴜꜱᴛᴇʀ) ᴏʀ ɴᴏᴛ ᴡʜᴇʀᴇᴀꜱ ᴀʟʟ ᴍᴇᴛᴀʟ ᴀʀᴇ ꜱʜɪɴʏ.ᴛʜᴇ ᴛʜʀᴇᴇ-ᴀɢᴇ ꜱʏꜱᴛᴇᴍ ɪꜱ ᴛʜᴇ ᴘᴇʀɪᴏᴅɪᴢᴀᴛɪᴏɴ ᴏꜰ ʜᴜᴍᴀɴ ʜɪꜱᴛᴏʀʏ (ɢᴇɴᴇʀᴀʟʟʏ ɪɴᴄʟᴜᴅɪɴɢ ᴘʀᴇ-ʜɪꜱᴛᴏʀʏ) ɪɴᴛᴏ ᴛʜʀᴇᴇ ᴛɪᴍᴇ-ᴘᴇʀɪᴏᴅꜱ;[1][ʙᴇᴛᴛᴇʀ ꜱᴏᴜʀᴄᴇ ɴᴇᴇᴅᴇᴅ]

Example :-iron