Q: Does "From 1898, it was commonly accepted that the name was of Celtic origin and meant place belonging to a man called *Londinos; this explanation has since been rejected." provide a valid answer to "Who came up with an explanation of the origins of London's name that contradicted earlier assumptions"?
A: no

Q: Does "The specificity of base pairing occurs because adenine and thymine align form two hydrogen bonds, whereas cytosine and guanine form three hydrogen bonds." provide a valid answer to "What causes the specificity of base pairing?"?
A: yes

Q: Does "Spielberg followed with War Horse, shot in England in the summer of 2010." provide a valid answer to "Where was 'War Horse' filmed?"?
A: yes

Q: Does "European standards did not follow until the 1960s, when the PAL and SECAM color systems were added to the monochrome 625 line broadcasts." provide a valid answer to "How many lines of resolution were the European monochrome broadcasts?"?
A:
yes