Theories also allow scientists to make predictions about as yet unobserved phenomena." "A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experimentation.
A working hypothesis, it is actually based on tenancy and is reliant on future.
A hypothesis is basically a proposed idea, supported by ideas, scientific experimentation, some hypothesis fail to prove itself, but still it opens up a lot of scope for future works, it's one of the scientific ways that has solved many issues of the modern world.
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