About eight weeks after conception, the embryo weighs ______ and is ______ long

When we look at objects fairly close to us, our eyes tend to turn slightly inward toward each other. This process is called _______

a. retinal disparity b. convergence c. binocular inversion d. being cross-eyed

With ____________________ thinking, one tries to expand the range of alternatives by generating many possible solutions

Fill in the blank(s) with correct word