2. <img width="493" src="https://img.homeworklib.com/questions/bacaf2b0-cfad-11ea-b096-1d89ceceaa89.png?x-oss-process=image/resize,w_560" />
  4. <img width="480" src="https://upload.wikimedia.org/wikipedia/commons/1/1e/Tompkins_County_Public_Library_reading_area.jpg" />
  6. <img width="329" src="https://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Relief_Map_of_Argentina.jpg/200px-Relief_Map_of_Argentina.jpg" />
  9. <iframe src="https://www.youtube.com/embed/siWTEmB5i30" width="560" height="315" frameborder="0" allowfullscreen=""></iframe>
  13. <img width="358" src="https://upload.wikimedia.org/wikipedia/commons/thumb/8/8b/Paroxetine-2D-skeletal.svg/220px-Paroxetine-2D-skeletal.svg.png" />