Step-by-step explanation:
Carbon is the most common element found in almost all the things or materials.
For example, Diamond is an allotrope of carbon, wood also contains carbon atoms, plastic also consists of carbon atoms etc.
Carbon has the ability to form four bonds with different atoms. This property of carbon makes it so divine that it is the basic building block of number of living molecules and other atoms.
Hence, we can conclude that carbon is the element which is common in ice cream, lettuce, baby oil, perfume, pencil, wood, diamonds, and plastic.