Explanation:
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Answer:
What a medium-mass star becomes after a planetary nebula; a very bright, dense mass about the size of the planet Earth. ... The process that generates all of the energy that a star produces. Supernova. A Red Super Giant explodes into this when it runs out of elements to fuse together.
Explanation:
Answer:
water hydrates the earth's soil....
Answer: crystals
Explanation: intrusive igneous rocks are formed by slow cooling magma which contain crystals