Key Google Slides Tools:
Undo and Redo
If you make a mistake you can undo or redo.
Insert Image
Insert images from your computer.
Format Options
Use this tool to edit your image.
Arrange Menu
This menu will help you organize your items on the canvas.
Select the item you want to reorder and click on the option you prefer.
Crop
Crop and adjust your images.
Background Removal Tool:
Remove.bg Is a great website to remove the background of your images.
You can also use the brush tool to erase or restore the background as you please.