It is best for mother and baby if the newborn was in the womb for at least ______ weeks and weighed more than ______ grams at birth

Describe the general class of drugs known as stimulants and explain their action within the brain

What will be an ideal response?

Megan's parents hoped that she would learn to walk at an early age, so they gave her lots of time in an infant walker. According to studies of locomotor development, the most likely result will be that Megan will

a. be an early walker b. learn to walk later than infants who spend little or no time in an infant walker c. develop a range of gross motor skills at an early age d. not be affected by the time she spent in the walker