Question

how did fossil fuels from inside the earth​

Answer 1

Hii ☺☺

Fossil fuel is a general term for buried combustible geologic deposits of organic materials, formed from decayed plants and animals that have been converted to crude oil, coal, natural gas, or heavy oils by exposure to heat and pressure in the earth's crust over hundreds of millions of years.

Answer 2

ғᴏssɪʟ ғᴜᴇʟ ɪs ᴀ ɢᴇɴᴇʀᴀʟ ᴛᴇʀᴍ ғᴏʀ ʙᴜʀɪᴇᴅ ᴄᴏᴍʙᴜsᴛɪʙʟᴇ ɢᴇᴏʟᴏɢɪᴄ ᴅᴇᴘᴏsɪᴛs ᴏғ ᴏʀɢᴀɴɪᴄ ᴍᴀᴛᴇʀɪᴀʟs, ғᴏʀᴍᴇᴅ ғʀᴏᴍ ᴅᴇᴄᴀʏᴇᴅ ᴘʟᴀɴᴛs ᴀɴᴅ ᴀɴɪᴍᴀʟs ᴛʜᴀᴛ ʜᴀᴠᴇ ʙᴇᴇɴ ᴄᴏɴᴠᴇʀᴛᴇᴅ ᴛᴏ ᴄʀᴜᴅᴇ ᴏɪʟ, ᴄᴏᴀʟ, ɴᴀᴛᴜʀᴀʟ ɢᴀs, ᴏʀ ʜᴇᴀᴠʏ ᴏɪʟs ʙʏ ᴇxᴘᴏsᴜʀᴇ ᴛᴏ ʜᴇᴀᴛ ᴀɴᴅ ᴘʀᴇssᴜʀᴇ ɪɴ ᴛʜᴇ ᴇᴀʀᴛʜ's ᴄʀᴜsᴛ ᴏᴠᴇʀ ʜᴜɴᴅʀᴇᴅs ᴏғ ᴍɪʟʟɪᴏɴs ᴏғ ʏᴇᴀʀs.