According to Vygotsky (1978), much important learning by the child occurs through social interaction with a skillful tutor. The tutor may model behaviors and/or provide verbal instructions for the child. Vygotsky refers to this as cooperative or collaborative dialogue.
Grand Junction, Colorado is 4,593 feet (1,397 meters) above sea level.
Colorado Plateau. The Colorado Plateau, in northern Arizona, is home to the San Francisco Mountains, the Grand Canyon and the Colorado River. Humphrey's Peak, at over 12,600 feet, is Arizona's tallest peak and located near Flagstaff.