According to Hutchins in The Distributed Cognition Perspective on Human Interaction, what can arise from rich multimodal interactions between speech, gesture, and representations?

Jeff is 13 years old and he has recently noticed some remarkable changes in himself. Over the past few months his voice has started to change, growing deeper. He has begun to grow pubic hair, as well as the beginnings of a facial beard

He is also filling out, with his muscles developing rapidly. These changes in Jeff are probably due to the action of _____________. a. gonads b. thyroid gland c. pineal gland d. adrenal gland

The colored part of the eye which contains muscles to contract or expand the pupil is the __________

a. lens b. fovea c. iris d. cornea