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Take home test, help!!! if you can answer any of these please tell me! Thanks!! 
1. In general, which of the following is determined by the type of magma involved?
a) a rocks texture
b) a rocks color
c) a rocks grain size
d) a and b
e) all of the above
2. How can one distinguish between granite and schist?
a) by using hydrochloric acid (reacts with calcite)
b) by using lithification
c) by lookinf for foliation
d) none of the above
3. What is the major difference between gabbro and granite?
4. Which of the following rocks cools the fastest?
a) granite
b) basalt
c) gabbro
d) rhyolite
e) obsidian
1. In general, which of the following is determined by the type of magma involved?
a) a rocks texture
b) a rocks color
c) a rocks grain size
d) a and b
e) all of the above
2. How can one distinguish between granite and schist?
a) by using hydrochloric acid (reacts with calcite)
b) by using lithification
c) by lookinf for foliation
d) none of the above
3. What is the major difference between gabbro and granite?
4. Which of the following rocks cools the fastest?
a) granite
b) basalt
c) gabbro
d) rhyolite
e) obsidian