I believe the answer to your question is C.
Answer:
Your baby will be tired after the efforts of being born. But as well as adjusting to his new life outside your womb (uterus), he's on a tremendous growth spurt and will need plenty of sleep to fuel this. Your baby may sleep for up to 18 hours over the course of 24 hours.
Answer:
After lifting weights for two weeks, Joe finds that the weights he has been lifting do not feel very heavy to him anymore. This is an example of Muscle adaptation principle - D.
