Which 2 invention proved to be turning point in the history of communication A) radio and television
B) television and internet
C) paper and printing
D) telephone and telegraph

Why is cheating in college wrong? expecting a good answer about it a good opinion. you.

The form the boundary between north and south china. a. himalayan mountains c. change river b. xi river d. qinling shandi mountains

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities