Thursday, November 24, 2011

Can someone check my study guide answers for Earth science?

Sorry its just that i don't want to be studying the wrong answers:





1. A magma鈥檚 composition becomes more _____ as it rises through the lithosphere?


mafic or felsic--%26gt; ANSWER: Mafic





2. Which of the following rocks formed from the most viscous magma? ANSWER: D.Basalt


A. diorite


B. granite


C. gabbro


D. basalt





3. What are three ways to make magma?


-Increase temperature


-Decrease pressure


-Add water





4. What type of rock would you expect to Sierra Nevada batholith?


-Plutonic Rock





5. What type of rock would you expect to find at Yellowstone National Park?


-Rhyolite





6. What type of rock would you expect to seafloor spreading ridge?


-Serpentine





7. Which rock is arguably responsible for the Pacific "Ring of Fire"? Answer: C.Diorite


A. basalt


B. shale


C. diorite


D. serpentine


E. limestone





8. Which type of magma is more viscous? Answer: Felsic


mafic or felsic





9. Which type of magma is hotter? Answer: Mafic


mafic or felsic|||pay attention in class

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