Question

why the placees situated in higher altitudes experience lower temperature​

Answer 1

$\huge\mathtt\color{orange}{A}\red N\green S\pink W\blue E\purple R$

ᴀs ʏᴏᴜ ɢᴏ ᴛᴏ ʜɪɢʜᴇʀ ᴀʟᴛɪᴛᴜᴅᴇs, ᴛʜᴇʀᴇ ᴀʀᴇ ʟᴇss ᴀɪʀ ᴍᴏʟᴇᴄᴜʟᴇs ᴘᴜsʜɪɴɢ ᴅᴏᴡɴ ᴏɴ ʏᴏᴜ (ʟᴏᴡᴇʀ ᴘʀᴇssᴜʀᴇ). ᴡʜᴇɴ ᴛʜᴇ ᴘʀᴇssᴜʀᴇ ᴏғ ᴀ ɢᴀs ᴅᴇᴄʀᴇᴀsᴇs, ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴀʟsᴏ ᴅᴇᴄʀᴇᴀsᴇs (ᴛʜᴇ ʀᴇᴠᴇʀsᴇ ɪs ᴀʟsᴏ ᴛʀᴜᴇ – ᴡʜᴇɴ ᴛʜᴇ ɢᴀs ᴘʀᴇssᴜʀᴇ ɪɴᴄʀᴇᴀsᴇs, ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ɪɴᴄʀᴇᴀsᴇs). ᴛʜᴇʀᴇғᴏʀᴇ, ᴛʜᴇ ᴀɪʀ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ɪs ʟᴏᴡᴇʀ ᴀᴛ ʜɪɢʜᴇʀ ᴀʟᴛɪᴛᴜᴅᴇs.

Answer 2

$\huge\mathtt\color{navy}{An}\purple{sw}\pink{er}\color{pink}{:}$

ᴀs ʏᴏᴜ ɢᴏ ᴛᴏ ʜɪɢʜᴇʀ ᴀʟᴛɪᴛᴜᴅᴇs, ᴛʜᴇʀᴇ ᴀʀᴇ ʟᴇss ᴀɪʀ ᴍᴏʟᴇᴄᴜʟᴇs ᴘᴜsʜɪɴɢ ᴅᴏᴡɴ ᴏɴ ʏᴏᴜ (ʟᴏᴡᴇʀ ᴘʀᴇssᴜʀᴇ). ᴡʜᴇɴ ᴛʜᴇ ᴘʀᴇssᴜʀᴇ ᴏғ ᴀ ɢᴀs ᴅᴇᴄʀᴇᴀsᴇs, ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴀʟsᴏ ᴅᴇᴄʀᴇᴀsᴇs (ᴛʜᴇ ʀᴇᴠᴇʀsᴇ ɪs ᴀʟsᴏ ᴛʀᴜᴇ – ᴡʜᴇɴ ᴛʜᴇ ɢᴀs ᴘʀᴇssᴜʀᴇ ɪɴᴄʀᴇᴀsᴇs, ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ɪɴᴄʀᴇᴀsᴇs). ᴛʜᴇʀᴇғᴏʀᴇ, ᴛʜᴇ ᴀɪʀ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ɪs ʟᴏᴡᴇʀ ᴀᴛ ʜɪɢʜᴇʀ ᴀʟᴛɪᴛᴜᴅᴇs.