Q: Does "The latter models imply that changes in diversity are guided by a first-order positive feedback (more ancestors, more descendants) and/or a negative feedback arising from resource limitation." provide a valid answer to "What can be accounted for by a feedback between diversity and community structure complexity?"?
A: no

Q: Does "The city's population in 2010 was 44% white (33.3% non-Hispanic white), 25.5% black (23% non-Hispanic black), 0.7% Native American, and 12.7% Asian." provide a valid answer to "What percentage of the city's population is Caucasian?"?
A: yes

Q: Does "Following the disbanding of the Independent Air Force in November 1918, he remained on the Continent for two months as a staff officer with the Royal Air Force until posted back to Britain." provide a valid answer to "Who was the king of Belgium in 1918?"?
A: no

Q: Does "According to FAO, Iran has been a top five producer of the following agricultural products in the world in 2012: apricots, cherries, sour cherries, cucumbers and gherkins, dates, eggplants, figs, pistachios, quinces, walnuts, and watermelons." provide a valid answer to "What melon is Iran a Top 5 producer in the world in 2012?"?
A:
yes