2) What is the head-to-toe pattern of infant physical development? Coordination progresses from the trunk toward the ends of the arms.
Infant bodies develop from the head first, then down to the toes.
Infants develop intellectually first, then physically,
Infants engage in simple tasks, then gradually undertake more complex ones.

Infant bodies develop from the head first, then down to the toes. Infants engage in simple tasks, then gradually undertake more complex ones.

Explanation:

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.