Respuesta :

Natural comes from the earth, synthetic is modified in some way by humans, both derive from materials given by the earth

Answer: Natural  

Bauxite.

Coal.

Copper.

Diamonds.

Gold Lead.

Iron ore.

Mineral sands.

Natural gas

Synthetic

They are all made from natural resources that were changed in chemical reactions. They are all made with specific properties to carry out a specific function. Examples of Synthetic Materials – Examples of synthetic materials include synthetic fibers, ceramics, polymers, artificial foods and medicines, and composites.