What is irrigation ??​

Irrigation is the artificial process of applying controlled amounts of water to land to assist in the production of crops, but also to grow landscape plants and lawns, where it may be known as watering. 

Irrigation is the artificial application of water to the soil through various systems of tubes, pumps, and sprays. Irrigation is usually used in areas where rainfall is irregular or dry times or drought is expected. There are many types of irrigation systems, in which water is supplied to the entire field uniformly.

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explanation:

b - the respond is innate and varies over time.

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