While both will equate changes in a genetic chain, deletion would have more severe consequences. A substitution mutation usually only causes minor disorders and diseases, like sickle cell anemia. Whereas deletion causes much more serious diseases, like cystic fibrosis, and turner syndrome which is where a female is born with only one X chromosome.
Today, the Earth's axis is tilted 23.5 degrees from the plane of its orbit around the sun.
Answer:
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