The correct answer is b. Collision of Indian tectonic plate with Eurasian plate; uplift of the Tibetan Plateau; formation of the Gobbi desert; yearly monsoon wind cycle.
The collision between the two tectonic plates took/is taking tens of millions of years. It is what caused the Tibetan Plateau to form and it's uplift is due to the ongoing collision of the two plates, the Gobbi desert is formed because of the uplift of the land that is caused by the collision of the two plates, and the yearly monsoon cycle is affected by the geography of the Asian land.
        
             
        
        
        
If the land was big and flat. The soil would need to be moist and fertile. Other factors would need to be the area. Is it shaded or can the sun shine through so the plants can grow. 
        
             
        
        
        
The topmost layer of the earth (aside from the atmospher) would be the crust. It is made up of tectonic plates that move in different directions. The collisons and abrasions made by these plates sliding and crashing into each other means that mountain ranges pop up like wrinkles, and continents can move around over time. This happens over millions of years.
good luck !
        
             
        
        
        
Answer:
A vertebrate is an animal or species distinguished by its possession of a backbone or spinal column. Vertebrates can be insects, fish, mammals, birds, reptiles, and also amphibians.
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