Four-year-olds are not completely egocentric and 5-year-olds can exhibit some understanding of conservation. this indicates that piaget may have underestimated the:

This question is based on the following paragraph. tomas tiptoed across the room. he made sure not to walk on the spot that always creaked. he opened the squeaky door as slowly as possible. he took one last look in the crib and smiled. was anything more beautiful than a sleeping baby? softly he closed the nursery door and headed down the hall. it had been a long night. what can you infer from this paragraph? a. tomas was ready to start a new day. b. tomas's house needed some repairs. c. tomas had spent a long time getting his child to sleep. d. tomas did not enjoy being a father.

How has the elimination of trade barriers affected the movement of goods among member countries of the european union? a. member countries are able to produce all the goods they need. b. goods can move freely among member countries. c. member countries no longer need to trade with countries outside the eu. d. larger countries are able to import more goods than smaller ones.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society