Answer:
Piaget's theory
Explanation:
Jean Piaget has developed the theory of cognitive development in which he has mentioned four different stages including the sensorimotor stage, preoperational stage, formal operational stage, and concrete operational stage.
Jean Piaget's theory is based on the ideology that a child can actively construct different knowledge as he or she manipulates and explores the world around him or her. His theory explains a framework for the understanding of the development of thinking and cognition process. He explained the process through which a child interacts with his or her environment by using senses.
The First Earth Day in April 1970
Because there was no EPA, no Clean Air Act, no Clean Water Act. There were no legal or regulatory mechanisms to protect our environment. In spring 1970, Senator Gaylord Nelson created Earth Day as a way to force this issue onto the national agenda
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Answer:
1000000000 nanoseconds ( in standard form )
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Answer:The modern communal pop extravaganza known as the Super Bowl halftime show can trace its roots to Jan. 31, 1993, when Michael Jackson took the stage at the Rose Bowl for Super Bowl XXVII, where the Dallas Cowboys would trample the Buffalo Bills, 52-17.
Explanation: Thats It If Am Wrong