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-BARSIC- [3]
3 years ago
8

Explain how irrigation systems benefited ancient civilizations in the Fertile Crescent.

Biology
1 answer:
pav-90 [236]3 years ago
4 0
Irrigation system gave the ancient civilizations fertile land which helped crops grow. It also allowed for ease of watering which made the process of farming faster.
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Which is an example of population density?
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D: two jaguars per thousand hectares.

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Population density refers to the computation of population by unit area. It is usually implemented in living organisms, generally in humans. It is a key geological term. In easy form, population density implies to the number of people existing in an area per square kilometer or hectare, etc.

So, two jaguars per thousand hectares is an example of population density as it involves the number of jaguars (population) per thousand hectares (per unit area).

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Why does Congress want the FDA to regulate UVA labeling as well?
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