Answer:
Naval bases , Refueling stations.
Explanation:
The Europeans have developed the pacific island of the Fiji, Nauru, Palau, Tonga and the Samoa, Vanuatu for the naval base and the refueling activities, similar to those of the Chinese there traces have been found in the 420 and the 200 B.C. The Melanesians, and Micronesians, Polynesians are some of the island groups that are explored by the Europeans and they are by the Portuguese explorers.
Explanation:
Answer:
earthquakes are able to reach any area! It has no limits unlike tsunamis. It can destroy way more and even break earths crust, they can cause even avalanches! And damage roads making it hard for people to drive to where they need to go.
Explanation:
I attached a picture of the layers of the earth. They are the:
Crust (<em>which isn't really the interior</em>)
Mantle
Outer Core
Inner Core
Answer:
Options (A), (B), (C), and (D)
Explanation:
The volcanic activity refers to the eruption of magma at the surface of the ocean floor and continental land areas, forming volcanoes.
Some of the tectonic settings that are associated with volcanic activity are as follows-
- Mantle plumes- These are the large uprising bodies of magma that are generated due to the formation of convection current in the mantle. These are localized body and are located away from the tectonic boundaries. For example, Hawaii is formed as the plates moved over the mantle plumes.
- Continental rifts- This refers to the eruption of magma at the surface of the continents, due to the divergent motion of two continental plates. It results in the formation of a rift, rift valley and then later forms an ocean.
- Island arcs- These are formed due to the collision of two oceanic plates, where the volcanoes are formed on the lighter oceanic plate due to the rising up of magma.
- Continental arcs- These are formed due to the collision between an oceanic and a continental plate, where the volcanoes are formed due to the uprising of magma in the lighter continental plates.
