question:
The major architectural undertakings were the buildings of abbeys and cathedrals.
What type of buildings were took the most effort to build?

answer: yes

question:
The Crusaders would have a profound impact on many parts of Europe.
What was the name of another activity like the Crusades occuring on the Iberian peninsula?

answer: no

question:
A 2013 study in Nature reported that DNA found in the 24,000-year-old remains of a young boy from the archaeological Mal'ta-Buret' culture suggest that up to one-third of the indigenous Americans may have ancestry that can be traced back to western Eurasians, who may have "had a more north-easterly distribution 24,000 years ago than commonly thought".
What percent of Native American ancestry may originate through gene flow from the Mal'ta-Buret' population?

answer: no

question:
In this dormant state, these organisms may remain viable for millions of years, and endospores even allow bacteria to survive exposure to the vacuum and radiation in space.
Is there a metabolism in endospores?

answer:
no