During puberty you need more food and ?

1. oxygen to grow
2.carbon dioxide to grow
3.nitrogen to grow

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.

Witch form of birth control could people use without. altering hormonal systems or blocking sperm from fertilizing an egg

If your goal is to improve your person relationships with your friends at school, which category would it fall into? a. physical b. emotional c. social d. academic