Question

reasons why temperature will fall with increasing heights​

Answer 1

As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands) and the temperature decreases. If the humidity is at 100 percent (because it's snowing), the temperature decreases more slowly with height.

Answer 2

Answer:

ᴀs ʏᴏᴜ ɪɴᴄʀᴇᴀsᴇ ɪɴ ᴇʟᴇᴠᴀᴛɪᴏɴ, ᴛʜᴇʀᴇ ɪs ʟᴇss ᴀɪʀ ᴀʙᴏᴠᴇ ʏᴏᴜ ᴛʜᴜs ᴛʜᴇ ᴘʀᴇssᴜʀᴇ ᴅᴇᴄʀᴇᴀsᴇs. ᴀs ᴛʜᴇ ᴘʀᴇssᴜʀᴇ ᴅᴇᴄʀᴇᴀsᴇs, ᴀɪʀ ᴍᴏʟᴇᴄᴜʟᴇs sᴘʀᴇᴀᴅ ᴏᴜᴛ ғᴜʀᴛʜᴇʀ (ɪ.ᴇ. ᴀɪʀ ᴇxᴘᴀɴᴅs) ᴀɴᴅ ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴅᴇᴄʀᴇᴀsᴇs. ɪғ ᴛʜᴇ ʜᴜᴍɪᴅɪᴛʏ ɪs ᴀᴛ 100 ᴘᴇʀᴄᴇɴᴛ (ʙᴇᴄᴀᴜsᴇ ɪᴛ's sɴᴏᴡɪɴɢ), ᴛʜᴇ ᴛᴇᴍᴘᴇʀᴀᴛᴜʀᴇ ᴅᴇᴄʀᴇᴀsᴇs ᴍᴏʀᴇ sʟᴏᴡʟʏ ᴡɪᴛʜ ʜᴇɪɢʜᴛ.