Which factor has contributed to india's economic struggles?

a.
not investing in productive capital

b.
poor soil for farming

c.
a poorly developed infrastructure

d.
isolation from other countries

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

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

The level at which a child can almost but not completely grasp a concept or perform a task successfully is called