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.
High Altitude Tips. The altitude in Leadville, Colorado, is 10,152 feet above sea level, with area mountain peaks reaching more than 14,400 feet. Altitude illness can affect anyone, regardless of age or physical condition, at altitudes above 6,000 feet.