Answer: effective time management
Explanation: the more time students spent studying the better grade and performance they had on the test
It's too early for the baby to get custom to being picked up every time it cries most babys cry when they need attention or the basics gasy hungry or to be changed him touching the baby comforts the baby and this is a stage of development where the bond between parents and infant is made.
I’m guessing the answer is 4