Answer:
Around 4.5 billion years ago the solar system was formed by a cloud of dust, hydrogen, helium and other gases. they were part of a bigger cloud called a nebula. This cloud was pulled by gravity and collapsed. A circular material was created around, the pressure of this material created energy and formed the Sun.
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The magma that rises out of them cools eventually, with some help from the water. eventually all the cooled magma builds up into an island.
        
             
        
        
        
I think is alternative a because that includes the earth
        
             
        
        
        
Http://history-world.org/islam.htm 
This site will provide information, but it changed the entire social order and beliefs, customs and culture of the people.
        
             
        
        
        
Uruguay is the smallest Spanish speaking country in South America.