A star has a right ascension of five hours. Which of these statements is correct about that star a. it is five hours to the west of zero hours right ascension
b. it is five hours to the east of zero hours right ascension
c. it is five hours north of the celestial equator
PLS ANSWER

the question isn't complete here so i can't right an answer '_'

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