Respuesta :
Gemstones are used commercially in jewelry because of their beauty, as well as in drill bits, because of their hardness and resilience.
Answer: b and d
Explanation: i know there right just had them on a test.
Gemstones are used commercially in jewelry because of their beauty, as well as in drill bits, because of their hardness and resilience.
Answer: b and d
Explanation: i know there right just had them on a test.