Does the sentence "It reached Lake Ontario in 1636, and the lands of the Iroquois by 1679." provide a valid answer to the question "When did smallpox read the lands of the Iroquois?"

A: yes

Does the sentence "Zinc acts as the anode (negative terminus) by slowly corroding away as it passes electric current to the steel pipeline.[note 2] Zinc is also used to cathodically protect metals that are exposed to sea water from corrosion." provide a valid answer to the question "What does attaching a zinc disc to a ships iron rudder do?"

A: yes

Does the sentence "Some 107,400 long tons (109,100 t) of shipping was damaged in the Thames Estuary and 1,600 civilians were casualties." provide a valid answer to the question "The bombing of the Thames Estuary cause how many civilian casualties?"

A: yes

Does the sentence "Comcast University started in 1999 as well as Comcast Interactive Capital Group to make technology and Internet related investments taking its first investment in VeriSign." provide a valid answer to the question "MediaOne merged with what telecommunications company?"

A:
no