Question

which two metals make up most of earths core?
copper and zinc
carbon and oxygen
iron and nickel
silver and gold

Explanation:

Earth's core is mainly composed of iron and nickel. These metals are dense and heavy, which is consistent with the properties of the core. Carbon and oxygen are non - metals and not major components of the core. Copper, zinc, silver, and gold are not the main elements making up the core.

Answer:

C. Iron and nickel