10 pts to answer 2 question about earth space science plz help!?

Question

1) What type of volcanic eruptions seems to occur most often where plates are coming apart or in the middle of a plate"?

2) Tectonic plates are either oceanic crust or continental crust and when plates collide there are three possible collision scenarios. What are they?

P.S> tell me the sourse you got it from cause I need to get every thing correct on this. thanks (I will be checking the answers for who is correct)

Answer 1

1)   The types of volcanic eruptions at rift zones would most likely be of the Icelandic type.  Named so because it is seen in Iceland which is on the Mid-Atlantic rift.   Relatively mild outflows forming epansive basaltis plateaus.  

2) The 3 types of plate collisions according to crust type would be:

    a) oceanic/oceanic collision

    b) oceanic/continental collison

    c) continental/continental collision

hope that helps...

Answer 2

Dear friend .I am not expert in volcano. But I can give full details about earthquakes. The tectonic plates are moving in three types.

1. Compressional. One moving over another .These types of movements will cause the creation of Tsunami.

2. Extensional. Moving away from one another. This types of movements causes volcano.

3.Transform shakes the buildings violently.

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