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What features on Earth are indirectly the result of the melting of rocks?
Thalidomide
A sedative used in the 1960s that has been linked to birth defects, especially deformed or absent limbs.
Insomnia
A sleep disorder characterized by difficulty falling and/or staying asleep.
Dizygotic Twins
Also known as fraternal twins, these siblings result from the fertilization of two separate eggs by two separate sperm and share about 50% of their DNA.
Genes
Structures made of DNA that carry the genetic information necessary for the development and functioning of an organism.
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