Either c or d is they both have short seasons, lots of rainfall and evergreens grow all year long.
Answer:
The Earth has different temperatures because they depend on how far away the sun is to the planet (as well as many other factors of atmosphere, altitude, etc.) If the sun is closer to one part of the Earth it will be hotter than other places where the sun is not as close.
Explanation:
Using rates of erosion to determine absolute age is only practical for geological features that have not been disturbed. If the layers of the soil are undisturbed, be it by human action or natural disturbance, than the layers are sitting on top of each other and mark the separate periods of time with their characteristics, so it doesn't matter how big of an erosion has taken place, there's still remains of a certain period and determine its age.
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 />