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yulyashka [42]
3 years ago
14

Archduke franz ferdinand was assassinated by

History
1 answer:
MrRa [10]3 years ago
5 0
A Russian nationalist I hope this helps u
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How did invention of plastic affect technology?
kipiarov [429]
Plastic is a word that originally meant “pliable and easily shaped.” It only recently became a name for a category of materials called polymers. The word polymer means “of many parts,” and polymers are made of long chains of molecules. Polymers abound in nature. Cellulose, the material that makes up the cell walls of plants, is a very common natural polymer.

Over the last century and a half humans have learned how to make synthetic polymers, sometimes using natural substances like cellulose, but more often using the plentiful carbon atoms provided by petroleum and other fossil fuels. Synthetic polymers are made up of long chains of atoms, arranged in repeating units, often much longer than those found in nature. It is the length of these chains, and the patterns in which they are arrayed, that make polymers strong, lightweight, and flexible. In other words, it’s what makes them so plastic.

These properties make synthetic polymers exceptionally useful, and since we learned how to create and manipulate them, polymers have become an essential part of our lives. Especially over the last 50 years plastics have saturated our world and changed the way that we live.

The First Synthetic Plastic

The first synthetic polymer was invented in 1869 by John Wesley Hyatt, who was inspired by a New York firm’s offer of $10,000 for anyone who could provide a substitute for ivory. The growing popularity of billiards had put a strain on the supply of natural ivory, obtained through the slaughter of wild elephants. By treating cellulose, derived from cotton fiber, with camphor, Hyatt discovered a plastic that could be crafted into a variety of shapes and made to imitate natural substances like tortoiseshell, horn, linen, and ivory.

This discovery was revolutionary. For the first time human manufacturing was not constrained by the limits of nature. Nature only supplied so much wood, metal, stone, bone, tusk, and horn. But now humans could create new materials. This development helped not only people but also the environment. Advertisements praised celluloid as the savior of the elephant and the tortoise. Plastics could protect the natural world from the destructive forces of human need.

The creation of new materials also helped free people from the social and economic constraints imposed by the scarcity of natural resources. Inexpensive celluloid made material wealth more widespread and obtainable.

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Provide three examples of cultural diffusion in East Asia, South Asia, and Southeast Asia. What conditions enabled each diffusio
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What did u say on the test? 
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Did Williston willow send troops to Mexico in 1939
Vadim26 [7]

Answer:

yes he did

Explanation:

6 0
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Anybody know of a news story that fits these requirements?
tigry1 [53]
You can talk about the boarder crisis along the Estonian boarder and Russian boarder. The is called a crisis because there is a tradition steeped kingdom called the Seto caught directly in the middle of it(their kingdom is split half and half).
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Which of the following is not characteristic of Maryland?
Feliz [49]

Good Morning!
 
Maryland was the first colony of private characteristics and served as a refuge for Catholics, having established religious tolerance legally already in its initial period. It is wrong to say, therefore, that

Lord Baltimore used the patroon system to govern Maryland.
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