How does Vaidya suggest that teenagers overcome their tendency to become distracted? A) Use social media to trigger the reward system in their brains B) Use rewarded information to assist them when trying to concentrate C) Remove distractions and turn off the internet when trying to concentrate

For me it would be C

Explanation: Most of us know many distractions exist in this age of technology, so in my opinion the best way is to remove this distractions such as phones, computers, etc.

the answer is sail boat won the race , and it was going 8 feet per   second

the tree invited all its friends to its lumber party. the party was at saruman's tower in isengard because saruman had killed some trees