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evolving and are the only type of necessity that can actually change or grow as new technologies are developed, allowing for more necessities, whereas the other types of necessity are fixed. An example of something that is technologically possible is flying with a Jet pack for short distances, however it is not technologically possible yet to fly with a jetpack from LA to NYC.
# Physical necessity: Physical necessity depends on the laws of physics. Causation is an example of a physical necessity because

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