QUES: Q: How many presidents, excluding interrims, has Northwestern had?
A: Northwestern has had sixteen presidents in its history (excluding interim presidents), the current president, Morton O. Schapiro, an economist, having succeeded Henry Bienen whose 14-year tenure ended on August 31, 2009.
Does the answer answer the question?

ANS: yes

QUES: Q: Why was collapsing the two values into one score a problem?
A: Valuable information was lost by collapsing the two values into one final score.
Does the answer answer the question?

ANS: no

QUES: Q: What portion of the biosphere would be devastated absent the complex pollination role of insects?
A: Many other insects are considered ecologically beneficial as predators and a few provide direct economic benefit.
Does the answer answer the question?

ANS: no

QUES: Q: What are hydrogen and carbon monoxide for Lithotrophic bacteria?
A: In unusual circumstances, the gas methane can be used by methanotrophic bacteria as both a source of electrons and a substrate for carbon anabolism.
Does the answer answer the question?

ANS:
no