QUES: Liber Aboali Abincine de Anima in arte Alchemiae was the most influential, having influenced later medieval chemists and alchemists such as Vincent of Beauvais. However Anawati argues (following Ruska) that the de Anima is a fake by a Spanish author. Similarly the Declaratio is believed not to be actually by Avicenna. The third work (The Book of Minerals) is agreed to be Avicenna's writing, adapted from the Kitab al-Shifa (Book of the Remedy). Ibn Sina classified minerals into stones, fusible substances, sulfurs, and salts, building on the ideas of Aristotle and Jabir. The epistola de Re recta is somewhat less sceptical of alchemy; Anawati argues that it is by Avicenna, but written earlier in his career when he had not yet firmly decided that transmutation was impossible.

What isn't the kitab al-Shifa?
What is the answer?
ANS: unanswerable
QUES: The variances in nomenclature in the region spanned by the Alps makes classification of the mountains and subregions difficult, but a general classification is that of the Eastern Alps and Western Alps with the divide between the two occurring in eastern Switzerland according to geologist Stefan Schmid, near the Splugen Pass.

What makes the classification of the mountains and subregions difficult?
What is the answer?
ANS: The variances in nomenclature
QUES: Chopin's life was covered in a BBC TV documentary Chopin The Women Behind The Music (2010), and in a 2010 documentary realised by Angelo Bozzolini and Roberto Prosseda for Italian television.

What are the names of the two people that created a documentary for Italian tele vision?
What is the answer?
ANS:
Angelo Bozzolini and Roberto Prosseda