What type of development includes more skilled movements of the hands, such as grasping and manipulating objects?

Some research suggests that pessimism might prove more adaptive than optimism in ________.

a. individualistic cultures b. collectivistic cultures c. handling the diagnosis of a chronic disease d. handing the diagnosis of a terminal disease

Which of the following is an indicator of the Upper Paleolithic period in human evolutionary history?

a. Humans began to bury their dead. b. Humans began to walk. c. Humans began to read. d. Humans began hunting animals.