Does "PCB designers and fabricators often use heavy copper when design and manufacturing circuit boards in order to increase current-carrying capacity as well as resistance to thermal strains." contain the correct answer to "About how thick would a PCB layer be if it contained three oz. of copper?"

A: no

Does "William Henry Perkin studied and worked at the college under von Hofmann, but resigned his position after discovering the first synthetic dye, mauveine, in 1856." contain the correct answer to "What is the name of the first synthetic dye discovered?"

A: yes

Does "The central part of the Sahara is hyperarid, with little to no vegetation." contain the correct answer to "What does the Sahara have little of?"

A:
no