At about what age do most children learn to use the "pincer grasp," which allows them to use their thumb and forefinger to "pinch" a small object to pick it up?

Light waves are first transmitted through the ________ at the front of the eye and enter an opening called the ________ before shining onto the retina.

Fill in the blank(s) with the appropriate word(s).

__________ therapy is a type of therapy that is led by a therapist and involves a group of clients experiencing psychological disorders

a. Gestalt b. Community c. Group d. Psychoeducational