The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations (electron shell model), and recurring chemical properties.
Fish is daily protein source for 1.2 billion people, but fishers are more and more frequently returning home with empty nets. Watch this amazing animation and find out how you can help prevent overfishing.
If you are the kind of person you want to read what has been changed before updating an app you can disable the auto app update setting. Or enable if you want updates fully automated.
