True or false when a batter swings and misses the ball is it called a strike

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 -

Which of these technological advances has improved flu vaccines? a. ct scans b. cell-based culturing c. egg production d. glucose monitors

Which disorder is most likely tone the cause of peters problems