Does "And there are differences between sex and gender; self-identification may not be correlated with biology perfectly." contain the correct answer to "Researchers from which university challenged the theory of race being only a social construct?"

A: no

Does "If the object is black, meaning it absorbs all the light that hits it, then its thermal light emission is maximized." contain the correct answer to "Who posed the problem of black-body radiation?"

A: no

Does "With the financial expansion, trading rights became more jealously guarded by the commercial elite." contain the correct answer to "Which economic associations gained power in the towns?"

A:
no