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<span> Before agriculture was developed people mostly were nomadic in nature. They moved from place to place in search of food. Some of them were groups of hunter gatherers as well. When agriculture started people also started to settle down in groups. This led to the development of civilization and in modern day cities and towns. The first agricultural practices were started beside the river banks due to the reason that the soil was very fertile and water for irrigation was also easily available. </span>
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Answer:
Scanning Electron Microscopes
Explanation:
Answer:
The ability to change internal body temperatures to match changing external environmental temperatures
Explanation: this is basically the same thing as homeostasis as this is occurring in warm blooded mammals