write summary

It assigment. you should summary about these vidoes. it due in 10 hours. 

1-

https://www.youtube.com/watch?v=KRUdkxQOqWM&feature=youtu.be

2-

https://www.youtube.com/watch?v=PYsuvRNZfxE&feature=youtu.be

3-

https://www.youtube.com/watch?v=VLhW9-LWoKc&feature=youtu.be

4-

https://www.youtube.com/watch?v=H5GazNLNi3w&feature=youtu.be

5-

https://www.youtube.com/watch?v=H5GazNLNi3w&feature=youtu.be

6-

https://www.youtube.com/watch?v=Jq92YwKfbb4&feature=youtu.be

7-

https://www.youtube.com/watch?v=qqz9xk7ALxc&feature=youtu.be

8-

https://www.youtube.com/watch?v=J8V08VrHg6Q&feature=youtu.be

9-

https://www.youtube.com/watch?v=i4ahZT9GRkg&feature=youtu.be

10-

https://www.youtube.com/watch?v=FhJZUMCw1-w&feature=youtu.be

11-

https://www.youtube.com/watch?v=OaMfZZRQcUc&feature=youtu.be

12-

https://www.youtube.com/watch?v=BASK_qa9WSA&feature=youtu.be

13-

https://www.youtube.com/watch?v=dwMAaBHS84o&feature=youtu.be

14-

https://www.youtube.com/watch?v=yZqCEGGy7NI&feature=youtu.be

15-

https://www.youtube.com/watch?v=qBay1HrK8WU&feature=youtu.be

16-

https://www.youtube.com/watch?v=HttF5HVYtlQ&feature=youtu.be

17-

https://www.youtube.com/watch?v=xcaRPOgOrmU&feature=youtu.be

18-

https://www.youtube.com/watch?v=5Lzi4T6mu0U&feature=youtu.be

19-

https://www.youtube.com/watch?v=sCN9Z8hLdfY&feature=youtu.be

20-

https://www.youtube.com/watch?v=qcrGlUHlu4M&feature=youtu.be

21-

https://www.youtube.com/watch?v=tAvzsjcBtx8&feature=youtu.be

22-

https://www.youtube.com/watch?v=rZDOPQRdxJM&feature=youtu.be