If there is an extra word in the line, write that word in the space provided.

Объяснение:

1 There is a widely held belief that newborn babies have the immediate ability to recognise their mother's face. 2 The truth is that newborns know who their mother is primarily thanks to voice recognition. 3 Paediatricians maintain that there is little evidence of visual recognition before the age of three weeks. 4 An infant's vision is initially very blurry but sharpening each month until perfect vision is achieved by the child's second birthday.