Answer:
North american and Eurasian plates
Explanation:
Iceland has a divergent boundary formed by the above two plates and it sits on the Hotspot and a mantle plume as since iits between the Mid Atlantic ridges believed to be contributed in dispersal of continents across the ocean.
Answer:
Option C, Use seismographs to predict volcanic eruptions
Explanation:
People living near volcanoes proximity are at high risk during the eruption period of volcanoes. As the volcano erupts it releases harmful gases and also the hot molten lava flows out of it thereby disrupting every thing that comes in its way.
If people living in such areas are able to get pre information of volcanic eruptions then they can get time to shift to new safer place.
Hence, option C is correct
Mineral classes such as halides, sulfates, carbonates, oxides, and sulfides can contain all the following elements, except oxygen
the answer is B