Besides europe, what other areas were battlegrounds during world war i?

The World War I (WWI), known as well as the First World War, the Great War or the war to end all wars, took place from July 28th, 1914 to November 11th, 1918. As a direct result of this world conflict approximately nine (9) million soldiers and seven (7) million civilians died, deaths which were intensified by new industrial and technological developments.

Although WWI was originated in Europe, other areas besides Europe were also battlegrounds during it, for instance, Africa, the Pacific Islands, China, the Middle East, Indian Ocean, and off the coast of South and North America.

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.