Why is my computer getting slower and slower? what can i do without buying a virus scanner?

How can a broadcast station be received through cable and satellite systems?

Active listen eliminates barries to communication true or false

How can a user open a blank presentation? 1.on the file menu, click new, and then click recent templates 2.on the file menu, click new, and then click blank presentation 3. on the view menu, click templates, and then click recent templates 4. on the view menu, click samples, and then click blank presentation