Final answer:
The 2-letter word that is a homophone for a metal-bearing mineable mineral is ore.
Step-by-step explanation:
The 2-letter word that is a homophone for a metal-bearing mineable mineral is a) Ore.
Ore is a naturally occurring mineral from which a metal or valuable mineral can be extracted. It is often used in the context of mining and metallurgy. For example, iron ore is a common type of ore that is mined for the extraction of iron.