QUES: Q: What slowed the development of solar technologies in the early 20th century?
A: However, development of solar technologies stagnated in the early 20th century in the face of the increasing availability, economy, and utility of coal and petroleum.
Does the answer answer the question?

ANS: yes

QUES: Q: Which computer is the Harvard architecture modeled after?
A: The fundamental concept of storing programs in the computer's memory alongside the data they operate on is the crux of the von Neumann, or stored program[citation needed], architecture.
Does the answer answer the question?

ANS: no

QUES: Q: What organization did the new county council share governance of Southampton with?
A: After the establishment of Hampshire County Council, following the act in 1888, Southampton became a county borough within the county of Hampshire, which meant that it had many features of a county, but governance was now shared between the Corporation in Southampton and the new county council.
Does the answer answer the question?

ANS: yes

QUES: Q: Chinese children have been known to make electronics, toys and what else?
A: The report listed electronics, garments, toys and coal among other goods.
Does the answer answer the question?

ANS:
yes