Explanation:
- Mechanical weathering involves the breakdown of the rocks into small pieces by the external support such as pressure whereas Chemical weathering involves the breakdown of the rocks takes place by the chemical process.
- Mechanical weathering is a physical change that is caused by the movement of wind and water whereas chemical weathering takes place when the chemicals present in the air or water get mixed with minerals or rocks.
- Mechanical weathering involves:
Abrasion, freezing, thawing, exfoliation.
- Whereas Chemical weathering involves:
dissolution, oxidation, carbonation, hydrolysis.
The meaning for suspension, solution, Traction, and saltation is explained below
<u>Explanation:</u>
Suspension: It is an act of temporary stopping of some happening, operation, or a process over a period of time.
Solution: It is an action or process of giving an answer or solving a problem, question, situation.
Traction: It is a process or action of drawing or pulling an object or a thing over a surface to complete its task is known as Traction.
Saltation: It is an action of abrupt variation in the appearance of an organism, sudden jumping or leaping movement, sudden large scale- mutation. These are all referred to as saltation.
Answer:
there were several important cities that came into being as centers of trade and religion, such as Mecca, Medina (Yathrib), Karbala, and Damascus.
Explanation:
I don't know whether this was one of your options, but South Asia can be very well characterized as a Sub-continent.
In fact, it's is commonly referred to as "the Indian Subcontinent" or even simply "Subcontinent". One of the reason for a distinction of this part of the land is that it lies on a different tectonic plate.
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