Answer:The average time is 9 hours
Explanation: American teenagers spend an "astounding" nine hours a day with digital technology, entertaining themselves with streaming video, listening to music and playing games, researchers reported Tuesday. And "tweens" aged 8 to 12 are spending six hours with media, the non-profit group Common Sense Media reports.
40 weeks Explation: a woman is pregnant for 9 months if you add up all the weeks it is 40
Answer:
State of excitation or stimulation will keep on progressing.
Explanation:
IF dopaine is a type of neurotransmitter that is released from the nerve ending upon excitation and stimulation.
This neurotransmitter need to be removed when the work is done else the state of excitation or stimulation will keep on progressing or will be in continuous state of excitation thereby causing neural harm.
