Answer:
The preoperational stage is the second stage in Piaget's theory of cognitive development. This stage begins around age two and lasts until approximately age seven. During this period, children are thinking at a symbolic level but are not yet using cognitive operations.
I think it might be B. too, there are different types of opinions on holidays
Tesla wanted to help people so he invented things and made them cheap so people could afford them.<span />
Answer:
the answer to this question is c