According to Piaget's observations, how old are babies at the beginning of the stage in which they will first successfully search for an object after it is hidden under a cloth as they watch?

Plasticity refers to the degree to which a developing structure is modifiable due to experience

Indicate whether the statement is true or false

Malnutrition is believed to be indirectly responsible for about half of early childhood deaths. Why? Because malnourishment ______

reduces the effectiveness of the immune system || slows the development of myelination || increases the likelihood of failure to thrive || increases competition for calories and children lose out || || ||