Answer: Troposphere
Explanation:
Clouds form in the troposphere, which is the layer of the atmosphere that is closest to Earth.
The process of cloud formation starts with warm, moist air that rises because warm air rises. This air cools as it rises. The temperature of the rising air drops until the air can no longer rise further and it expands into the troposphere. The water vapor in the air then condenses to form water droplets which form clouds.
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Sedentary means you stay in one place and aren't very active. Nomadic means that you travel around a lot.
If there are a lot of available resources, the tribe will want to stay because having resources nearby will help them survive much easier. This would make them sedentary.
If there are scarce resources nearby, they will go away and look for more abundant resources, making them more nomadic.
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That is <span>Epupa
I hope this helps.
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