Adome shaped muscle that moves air through the respiratory tract is the

and after water is usually warmed by the sun the water temperature raises and then evaporates .

c. heat from the poles back down towards the equator.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this