A direct cause of World War 1 was <span>the assassination of Archduke Franz Ferdinand. But because that isn't one of the listed options, I'll have to pick something else.
Alliances were a big cause in the whole thing. Many countries in Europe made agreements with each other. If one country got attacked, the allied countries had to defend them.
So, you can see the whole thing got started. When one nation got into trouble, the other had to help them. Even if they didn't wanted to.
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Answer:
I believe the answer is C
Dispersion studies the pattern of distribution of organisms in a population. The organism is a population can be distributed in a uniform, clumped or random pattern.
The study of rock layers in geography
