Some mothers feed their infants when they show signs of hunger, whereas others fail to respond predictably to their infants' demands for food. these different maternal feeding practices are most likely to contribute to differences in infant

The united states economy is one in which producers are generally free to produce what they want and consumers are free to purchase what they desire, so long as no laws are broken. at the same time, however, the government does regulate some aspects of the economy. the u. s. can best be described as which of the following a mixed economy b liberated economy c command economy d market economy