Respuesta :
I believe the first space is 1. alloys, and the second space is also 1. main. I don't know for sure but I hope this helps.
Answer: Brass and bronze are both alloys of copper because copper is the main component in brass and bronze.
Explanation:
Alloy is defined as the homogeneous mixture of two or more different metals.
Copper is mixed with various other metals to give different alloys like:
- Brass which is an alloy composed of copper and zinc.
- Bronze is an also another alloy of copper and tin with small addition of other metals like: nickel, aluminium etc.