Answer 1

Kassie Solution 💗🙌🤗
https://www.sololearn.com/learn/HTML/1030/

Answer 2

You cant’t use photos directly from your computer. They must be hosted somewhere. You can either get one already hosted, or host one of your own through dropbox, or something simple like https://imgbb.com

Answer 3

Did you try this in Sololearn? Because I think Sololearn doesn't support inserting pictures from your computer into your project, only ones from the internet.

Answer 4

example:
<img src="tree.jpg">