One’s ability to focus on a specific stimulus among many in the environment is called . A.
bottom-up processing
B.
selective attention
C.
inattentional blindness
D.
top-down processing

Teenagers and children need sleep. teens need at-least 8-9 hours of sleep. kids need   at-least 10-11 hours of sleep depending on what time they go to sleep. sleep is very important for anyone of any age. read more on -