There are more carbon compounds than there are compounds of all other elements combined. The study of carbon compounds, both natural and synthetic, is called organic chemistry. Plastics, foods, textiles, and many other common substances contain carbon.
In a nutshell, Google Backup and Sync is a combination of Google Drive and Google Photos. There is no need to use two separate apps, as you can do it all with a single tool. Though, it is missing an easy way to restore the backup.
By Rick Broida, PCWorld. For a while now I've been using Google Music as a kind of cloud-based backup for my music library. Except that it wasn't really a backup, because I couldn't easily retrieve all the songs I'd uploaded. In the event of a system failure, I'd have to download tunes in batches of 100. Bleh.