http://www.youtube.com/watch?v=Vc7_VyVXDLs – answer the following two questions based on video
————————————-
Answer questions based on videos
https://www.youtube.com/watch?v=0xRx2s3FpSg
https://www.youtube.com/watch?v=fQUuJpW5mk8
https://www.youtube.com/watch?v=g598QoJzIWo