Missing images in Selection and Queries Exercise 1

[ioalexei]

Images linked under "Extract by Attribute" near the bottom of the page are missing

[isikl]

And:

• [ ] Below of box: Numbering is inncorrext and quote is missing: "6. Find the tool Extract by Expression in the `Toolbox. 1."

Link: https://giscience.github.io/gis-training-resource-center/content/Modul_3/en_qgis_data_queries_ex1.html