Question

»»——✭ᴛʜᴇ ᴍᴀss ᴘᴇʀ ᴜɴɪᴛ ᴠᴏʟᴜᴍᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴄᴀʟʟᴇᴅ ᴅᴇɴsɪᴛʏ.
(ᴅᴇɴsɪᴛʏ=ᴍᴀss/ ᴠᴏʟᴜᴍᴇ).ᴀʀʀᴀɴɢᴇ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ɪɴ ᴏʀᴅᴇʀ ᴏғ ɪɴᴄʀᴇᴀsᴇɪɴɢ ᴅᴇɴsɪᴛʏ -ᴀɪʀ,ᴇxʜᴀᴜsᴛ ғʀᴏᴍ ᴄʜɪᴍɴᴇʏs,ʜᴏɴᴇʏ,ᴡᴀᴛᴇʀ,ᴄʜᴀʟᴋ,ᴄᴏᴛᴛᴏɴ ᴀɴᴅ ɪʀᴏɴ.✭——««​

Answer 1

$\huge{\mathcal{\purple{A}\green{n}\pink{s}\blue{w}\purple{E}\green{R!}}}$

☞︎︎︎ᴛʜᴇ ᴍᴀss ᴘᴇʀ ᴜɴɪᴛ ᴠᴏʟᴜᴍᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴄᴀʟʟᴇᴅ ᴅᴇɴsɪᴛʏ.

(ᴅᴇɴsɪᴛʏ=ᴍᴀss/ ᴠᴏʟᴜᴍᴇ).

☞︎︎︎The increasing order of density is air < exhaust from chimney < cotton < water < honey < chalk < iron.

Answer 2

Explanation:

\huge{\mathcal{\purple{A}\green{n}\pink{s}\blue{w}\purple{E}\green{R!}}}AnswER!

☞︎︎︎ᴛʜᴇ ᴍᴀss ᴘᴇʀ ᴜɴɪᴛ ᴠᴏʟᴜᴍᴇ ᴏғ ᴀ sᴜʙsᴛᴀɴᴄᴇ ɪs ᴄᴀʟʟᴇᴅ ᴅᴇɴsɪᴛʏ.

(ᴅᴇɴsɪᴛʏ=ᴍᴀss/ ᴠᴏʟᴜᴍᴇ).

☞︎︎︎The increasing order of density is air < exhaust from chimney < cotton < water < honey < chalk < iron.