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konstantin123 [22]
3 years ago
12

Explain how the water in canals and irrigation ditches was controlled so that farmers could use it. (Site 1)

Biology
2 answers:
ddd [48]3 years ago
8 0

Answer:<u> Irrigation is the application of controlled amounts of water to plants at needed intervals. </u>

Explanation:

<em>Irrigation is the application of controlled amounts of water to plants at needed intervals. Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall</em>

ljvc3iuqrkjevwbquiqbkr iulqk
2 years ago
THANK YOU 🥰🥰🥰🥰🥰🥰
Tema [17]3 years ago
5 0

Answer:

Explanation:

Farming is a  process that requires constant supply of water to aid crop production. During the ancient civilization in Mesopotamia, farmers grew crops in lands that had little rainfall and inadequate supply of water. What they did was to develop a means of controlling the flow of water from the river and channeling it to their farms. This was done by setting up canals and irrigation ditches to redirect the water to their farms. Regulators were developed to control the level of water in the ditches and canals, making it accessible to the farmers. At that time, each farmer was permitted to use a certain amount of water. The farmers take turn to water their field. When it was the turn of a farmer, the regulator is adjusted to allow the outflow of water from the canal into an irrigation ditch and finally, into the farmer's field.

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What is the Cell Theory? three statements with an explanation of each statement
kipiarov [429]

Answer:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

The three tenets to the cell theory are as described below: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.

Explanation:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of reproduction. With continual improvements made to microscopes over time, magnification technology advanced enough to discover cells in the 17th century. This discovery is largely attributed to Robert Hooke, and began the scientific study of cells, also known as cell biology. Over a century later, many debates about cells began amongst scientists. Most of these debates involved the nature of cellular regeneration, and the idea of cells as a fundamental unit of life. Cell theory was eventually formulated in 1839.

4 0
2 years ago
Use the picture to tell if it is accurate , precise , or both?
Anton [14]

Answer:

Accurate - Yes

Precise - Yes

Explanation:

Accuracy and precision are two ways to detect the closeness of measured values in an experiment. However, these two terms do not mean the same thing.

Accuracy of a measurement refers to how close a measurement (experimental values) is to a true or actual value while the precision of a measurement refers to how close the experimental or measured values are to one another.

Note that, a measurement may be accurate but not precise or be precise but not accurate.

In the case of the dart board in the image, it is evident that the measured values (represented by darts) are close to the middle target (represents the known or accepted mark). Hence, the measurements are said to be ACCURATE. Likewise, the measured values are also close to one another, meaning that they are PRECISE.

Therefore, the measurements are both precise and accurate.

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It's the procces of humans giving animal the characteristics they want.
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