Tim observed that his team members obviously have different ideas about how to do things as evidenced by their tendency to argue over process rather than focusing on what needs to be done. Tim's team is lacking in common

______ is the medical specialty devoted to aging

Fill in the blank with correct word

In contrast to concentrative meditation, a person who practices mindfulness meditation learns to

a. focus on and regulate his or her breathing. b. minimize external stimulation. c. generate specific mental images. d. let thoughts and memories pass freely through the mind.