The main cause was the assassination of Franz Ferdinand who was the archduke of Austria. He was assassinated by Gavriollo Princip who was Austrian - Hungarian. Those two countries were constantly in conflict because Hungary wanted to separate and once those countries went into war over the assassination their allies had to join being the rest of Europe. <span />
Its carried A crossed By large Pipes
1. carbonaceous chondrites
2. laboratory measurement
3. seismic waves
those are the 3 ways af how scientist study it.
:)
Answer:
ru into it cause math got me like
Gulf of Aden is found between SA and Somalia