Question

what is string theory?​

Answer 1

Answer:

String theory proposes that the fundamental constituents of the universe are one-dimensional “strings” rather than point-like particles. ... String theory also requires six or seven extra dimensions of space, and it contains ways of relating large extra dimensions to small ones.

Answer 2

hey mate here is your answer

a theory given as reason for expansion of universe. in this theory there is one string in quarks which vibrate to form new quarks.

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