"If you're a monkey, then you're not also a cow.". This statement illustrates the ____ constraint on word meanings

A clear environmental cause of vision problems in children in Africa is the lack of ______ in their diets

Fill in the blank with correct word

Déjà vu is the experience of:

a. having been in a situation that is impossible or unlikely to have previously occurred. b. forgetting from a previous perception. c. failing to perceive the obvious. d. being somewhere familiar but not remembering it.