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.
1 Mount Whitney in the Sierra Mountains of California rises 14,494 feet above sea level. 2  Mount Elbert in the Colorado Rocky Mountains reaches 14,433 feet tall. 3  Mount Massive, also in Colorado, rises 14,421 feet tall. 4  Mount Harvard of Colorado stands 14,420 feet tall.  Mount Rainier in Washington is 14,410 feet tall.