Gemstones are used commercially in jewelry because of their beauty, as well as in drill bits, because of their hardness and resilience.
Answer from: Quest
the actual answer was 160934
Answer from: Quest
It explains why rocks appear in layers
Another question on Biology
Biology, 22.06.2019 00:30
Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.