A Landslide is a type of mass movement that occurs when a thin block of soil, rock, and debris separates from the underlying bedrock.
Actually, this thin block of soil and rocks were held by Tree's roots so it do not separated from the bedrock. Now days, more and more trees were cutted down for modern development, and more landslides happen because of this.
Pan Arabism is a political movement promoting the idea in which Arabs should unite in forming one country or a state. The idea was first done during 1800s in the later part and 1900s.If this stayed it would have led to greater unity for Arab and countries like Egypt and Syria could have stayed united which is the answer.
The correct answer is - A. Devonian.
The Devonian is one of the seven periods of the Paleozoic Era. It lasted for 50 million years, from 410 million years ago until 360 million years ago. It is the period in which the first insects evolved, the first seeded plants, as well as the first land vertebrates. This period came after the Silurian period, and was followed by the Mississippian period.
The farming method that is used in dry or desert areas is the drip irrigation.
<h3>What is Drip irrigation?</h3>
Drip irrigation is defined as a method that is used in water irrigation, in which water passes through a filter and into customized drip pipes with spaced emitters.
A particular slow-release system deals that the water straight into the soil near the roots through the emitters. Drip irrigation is a farming technique that is mainly used in dry or desert locations.
Therefore, dip irrigation method is in dry or desert areas.
Learn more about the drip irrigation, refer to:
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