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The boomerang is known for its ability to return to its thrower. However, it is much more than just an amazing tool for entertainment. The boomerang has also historically been used for hunting.



Early History

Australian cave paintings depict people using instruments resembling the modern boomerang. However, the oldest forms of hunting sticks were found in Europe. A non-returning boomerang believed to be 20,000 years old was found in the Carpathian Mountains of Poland. Primitive people used sticks as hunting weapons. They discovered that curved sticks were easier to direct and would stay in the air longer than straight sticks. So they made their hunting sticks curved, creating the first non-returning boomerangs.


Returning Boomerangs

Next, the returning boomerang originated in Australia with the native Aborigines. The Aborigines used non-returning throwing sticks, known as kylies, for hunting. The Aborigines refined the design of the tool to use it as sporting equipment for entertainment and competition. They even developed a game to see who could throw the boomerang the farthest.


Finally, the design was refined to create the modern returning boomerang. These boomerangs are precise and often contain more than two wings. In 1992 a German astronaut conducted an experiment to see if the returning boomerang would function in zero gravity the same way it did on Earth. He discovered that it did, in fact, fly in an elliptical pattern when gravity was removed.

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Questions
Why is a chronological structure appropriate for this text?


It discusses the effects of the invention of the boomerang on ancient people.


It compares the boomerang with other interesting tools.


It explains the invention and development of the boomerang over many years.


It describes the most effective way to throw a boomerang.

Answer 1

It explains the invention and development of the boomerang over many years.

Reason: the passage traces boomerang history from ancient non-returning sticks to Aboriginal returning boomerangs to modern designs and a 1992 experiment, so a chronological order fits.