The stages are sensorimotor (Age 0-2), pre-operational (Age 2-7), concrete operational (Age 7-11) and formal operational (Age 11-Adult).
The second part of your question is for you to decide who has shaped or changed your life.
The answer is c <span>knowing the effects of temperature increases</span>
So you can have healthy organs, and maybe even live longer... you probably should find the other topics.
False, the man does have all all of the gametes in his testes at birth.
Answer: b. False
Answer is C, I believe :)
