Metal, metal, nonmetal, metal, nonmetal, nonmetal. For the covalent bonds, it's always between nonmetals. For the ionic, it's a metal and a nonmetal. Hope this helps!
Answer:
lithosphere
The geosphere is considered to comprise the entire earth solid atmosphere. The earth is also into two parts the interior and the exterior core, the mantle and the crust.
Reason a is the correct one, as the european union has nothing to do with protection from invasions and Germany reunified many years ago.
Answer:
The Printing Press
Explanation:
In the 15th century, an invention called the printing press enabled people to share knowledge more quickly and widely. Civilization never looked back. Knowledge is power, as the saying goes, and the invention of the mechanical movable type printing press helped disseminate knowledge wider and faster than ever before.
