Is colombia's soccer rules different then u. s.a

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

Which of the following best summarizes the idea represented by this graph?