Read the paragraph
plastic is sometimes called the miracle substance manny things are made out of plastic plastic.is a mixture of many natural and synthetic, or manufactured, materials. plastics are often cheaper, stronger, and lighter than wood or metal today thousands of products, from toys to ships and cars, are made out of plastic
which title tells the main idea of this paragraph
1.natural andsynthetic products
2.plastic- the wonder substance
3.how plastics made
4.what things are made of plastic