Answer:
C. The reader’s comment is not a credible source because nothing is known about the person who wrote the comment.
Explanation:
The correct answer is - C. hot spots in the mantle.
The Hawaiian Islands are a volcanic islands. They are lying above a hot spot. The hot spot volcanoes, unlike the other ones, are far away from the boundaries of the tectonic plates and they are emerging on places were there's hot spots. These hot spots manage to penetrate through the crust and get the magma from the mantle up to the surface and create volcanic islands in meantime.
Option B (Sudan)
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Droughts: Droughts are usually caused by high temperatures and to super dry weather
Answer: Options (1), (3), (4), (6) and (9)
Explanation: Hot-spots are the region of active volcanisms and this could be due to the presence of large mantle plumes, plate tectonic movement, as well as other reasons.
Hot-spots are generated in the following tectonically active boundaries such as-
- Convergence of two oceanic plates.
- Convergence of an oceanic and continental plate.
- Divergence of two oceanic plates.
- Hotspots within the oceanic and continental plate.
