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Mkey [24]
2 years ago
5

How can developing agricultural sector in africa​

Geography
1 answer:
Maru [420]2 years ago
3 0
Quality inputs (improved seeds and fertilizers) are essential to raising productivity (yields per unit area planted) under both the rainfed and irrigated conditions. In addition, strong extension and advisory services are important for enhancing the adoption and efficiency of improved inputs.
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Before european settlers arrived the great plans of nort america were:
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Which of the following fields focuses on the investigations of the laws of nature?
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From earth, a hydrogen source releases an emission line that has a wavelength of 410nm. observations have been made for the same
lubasha [3.4K]

The explanation for the differences in wavelength observed from earth and a distant star with a shift towards the red end of the spectrum is the Redshift- Doppler effect.

<h3>What is the Doppler effect?</h3>

The Doppler effect is the difference that occur between the frequency of a wave in relation to observer from the wave source.

The wavelength changes with change in the frequency.

<h3>How does the Doppler effect explain the redshift?</h3>

As an object moves away from Earth, the waves moves to the red end of the electromagnetic spectrum and becomes elongated. This results to the increase in wavelength.

Therefore, the explanation for the differences in wavelength observed from earth and a distant star with a shift towards the red end of the spectrum is the redshift-Doppler effect.

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4 0
1 year ago
What term describes a stream which receives water through the inflow of groundwater through the stream bed?
Gemiola [76]

Gaining stream describes a stream which receives water through the inflow of groundwater through the stream bed.

Groundwater that enters a gaining stream is coming from a saturated zone. Gaining stream channels are typically at or below the water table level. When the water table crosses the land surface over a large, relatively flat area, bodies of water and marshes are formed.

The channels of gaining streams are usually at or below the level of the water table. Bodies of water and marshes form when the water table intersects the land surface over a broad, fairly flat area.

"Gaining stream," which typically draws water from the earth. The term "losing streams" refers to streams that leak water into the earth from the streambed. Rivers can grow and shrink in different places; they can grow at one point in the year and shrink at another. Additionally, even a stream that is growing will be losing some water, as the yellow arrow illustrates, and vice versa.

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1 year ago
Pls help me! it's for today and I have no clue.
Sati [7]

Answer:The United States is often divided up into geographical regions. ... Mountains, Atlantic Ocean, Great Lakes, borders on Canada to the north ... South Carolina, Georgia, Alabama, Mississippi, Arkansas, Louisiana, Florida ... Major geographical features: Appalachian Mountains, Atlantic Ocean, Gulf of Mexico, Mississippi River.

Explanation:

3 0
3 years ago
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