The ability to see clearly at night is known as

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In exchange for land, a knight agrees to be a sort of sub-vassal to a vassal. this agreement was known as: investiture homage tyranny subinfeudation

11. what characteristic was shared by all the important scientists of the scientific revolution? the importance of challenging authority at all times in the pursuit of truth. truth is only achievable through a process of inquiry and observation. the belief that traditional methods of inquiry and discovery were correct, but needed greater accuracy. the belief that the ancient philosophers were correct in their original observations of the laws of nature.