How do you recognize substances that have gone through physical or chemical changes?

What is linux? an open source operating system a version of ms dos the first version of unix the newest technology available

When creating a presentation in libre office impress, where does the editing of slides take place? a. the slides panel b. the center panel c. the tasks panel, under the masters pages tab d. the tasks panel, under the layouts tab

Dameas communication challenge is due to which factor