youmustknow (25)in #nature • 6 years ago • 6360.249Why there is smoke when we burn wood?Have you ever wondered where smoke came from when we made fire? Is there any fire there is always smoke? When we…youmustknow (25)in #introducemyself • 6 years ago • 6361.1226Hello Steemians World !!! Let Me Introduce MySelfHi Steemians !!! Warm greetings to all of you. I am present in steemit to give you the facts around us that we do…