Changing school start times to later in the morning a. has ...

[penza]

Changing school start times to later in the morning
 
  a. has little effect on school performance of children and teens.
 b. boosts school performance of elementary students, but has no effect on teens and young adults.
  c. improves school performance of teens and young adults.
 d. decreases school performance of teens and young adults.

Question 2

Sleep patterns are most likely to change at puberty due to:
 
  a. social pressures to stay out late with friends.
 b. a drop in the production of melatonin.
 c. the need to sleep more due to the adolescent growth spurt.
  d. changes in physical activity and eating patterns.

[xiaomengxian]

Answer to Question 1

c

Answer to Question 2

b

[penza]

Great answer, keep it coming

[kilada]

TYSM