Click the box next to the Save copy as field so it's selected, and then click the PowerPoint Presentation file from the drop-down list. Select the folder on your computer where you want to save the Keynote file as a PowerPoint file. Click the Save button. Close the Keynote application and open PowerPoint.
This question is archived. That would be igneous rock. Igneous rock is formed by the cooling of molten rock (magma and/or lava). Since there is such and abundance of liquid rock on Earth, it makes igneous rock the most common TYPE of rock.
The 5 Most Commonly Used Metals on Earth and the 10 Most Valuable Metals on Earth. Common Metal #4. The 4th commonly used metal is titanium. Titanium is known as the space age metal. However it is expensive and the mining process is hard, stopping it from being the most commonly used metal.