Can someone give me a hand with this one.

What is the difference in the phisical activity requirements for achieving healt benefits and performance?

Christine, a three-year-old child, often wears her mother’s shoes and carries her bag while pretending that she is going shopping. sometimes christine copies her mother in the kitchen by stirring in empty pots. which type of developmental change is christine experiencing? a- social and emotional b- psychological c- physical d- cognitive

Blood cells bring oxygen to cells and take carbon dioxide away. true or false