Problem: Does "The Russians were reduced to scuttling their warships as blockships, after stripping them of their guns and men to reinforce batteries on shore." answer the question "Why did the Russians strip their warships of their guns?"

A: yes

Problem: Does "By the end of the Cretaceous, angiosperms dominated tree floras in many areas, although some evidence suggests that biomass was still dominated by cycad and ferns until after the CretaceousPaleogene extinction." answer the question "What species dominated many tree floras by the end of the Cretaceous period?"

A: yes

Problem: Does "According to the endurance running hypothesis, long-distance running as in persistence hunting, a method still practiced by some hunter-gatherer groups in modern times, was likely the driving evolutionary force leading to the evolution of certain human characteristics." answer the question "What is long-distance running as a food hunting-gathering technique?"

A:
yes