Answer:
Valuable; rare
Explanation:
In the airline industry, frequent flyer programs, ticket kiosks, and e-ticketing are all examples of capabilities that are ___ but no longer ___.
Answer:
i think they become metamorphic after a volcanic eruption
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Maybe write the problem out or just watch tv
That's more than 275 million stars per day in the observable universe. Stars keep themselves fueled. They fuse elements together to make new elements.Once the star runs out of hydrogen, the helium atoms fuse together to make carbon.