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Over [174]
3 years ago
9

Desertification isA) a natural process of succession that cycles from deserts to prairies to forests to deserts.B) the formation

of dryland ecosystems in regions where temperatures have increased.C) the natural movement of deserts advancing into new regions due to shifts in wind direction.D) often the result of topsoil erosion leading to a permanent reduction in productivity
Geography
1 answer:
klasskru [66]3 years ago
8 0

Answer:

Option (D)

Explanation:

Desertification is usually defined as the process that causes the top fertile soil to change into a complete desert area, due to high wind erosion, lack of rainfall, and also high temperature in that area.

This reduces the fertility of the soil and this affects the growth and productivity of the soil, thereby leads to the absence of vegetation and permanently destroys the soil.

Thus, the correct answer is option (D).

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Darina [25.2K]

Answer: at the equator the normal force will be 3.4N less and at the North Pole = 980N

Explanation:

So, we will start the Calculation by considering the equation below;

Fnet = F(g) - F(N); where Fnet = mv^2/ r.

Hence, F(g) - F(N) = mv^2/ r -------------(1).

Making F(N) the subject of the formula, we have;

F(N) = Gm1m2/r^2 - mv^2/r.

Thus, we have;

Gm1m2/r^2 = 6.68 × 10^-11 × (5.98 × 20^24) × 100/ 6.38 × 10^6 = 980N.

Also, we have;

mv^2/r = m4π^2r/T^2.

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Therefore, at the equator the normal force will be 3.4N less and at the North Pole = 980N.

4 0
3 years ago
In what field do scientists study the processes that change Earth’s composition?
____ [38]

Answer:

Geology

Explanation:

4 0
3 years ago
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What type of agricultural practices are used in syria and how does climate affect it?
Vlad [161]

Answer:

Agricultural Practices: Pumping from rivers and flood irrigation.

How the climate affects it: During summer, the climate is dry and hot. During the winter, it's cold. Therefore, the rivers could freeze, or evaporate

Explanation:

Agricultural Practices: In Syria, the main system of irrigation is pumping from rivers and flood irrigation. In these areas, several irrigated crops are cultivated, such as the strategic crops of cotton, wheat and sugar beet. The fruit trees and early vegetables are also planted as in the Syrian coast.

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South america has changed the least as it moved very little. india and australia actually broke apart from africa to go to where they are now... so id say australia and india changed the most
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telo118 [61]

Answer:

yes i think it would be part a or part b

6 0
2 years ago
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