Jean Piaget was a developmental psychologist - c. Piaget was infact one of the most known developmental psychologists which are very important and have been very important for the development of developmental psychology. He has had tremendous impact on the different fields within psychology and out of it.
Answer:
A. 30:2
Explanation:
After every 30 chest compressions at a rate of 100 to 120 a minute, give 2 breaths.
We were created to need sun light to survive. we need the Vitamins that come from the sun.
