Help please

Change in quantity demanded means that only this factor has changed:

Question 2 options:

Technology

Price

Tastes

Expectations

Which institution includes radio televisions and movies

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

Analyze: according to adam smith, why is competition a good thing? explain.