The correct answer is - B) convection currents in the mantle.
There's multiple tectonic plates on the surface on the planet, around 17 from what is known so far, but as the scientific methods are developing there might be few more discovered in the years to come.
These plates are all moving, only few cm per year, but on the long term it influences and changes everything on the surface on the Earth.
The movement of the plates is the result of the convection currents in the mantle layer beneath. These convection currents are essentially the combination of the high temperatures, high pressures, and viscous metals, and they managed to break up the crust on the surface, and with its push force, they are slowly moving the plates.
With the movement of the plates and their collisions and moving away, lots of earthquakes and volcanoes are appearing all over the plate boundaries.
Answer:
3. A hurricane's average speed is 11mph. They move westward and slightly poleward
4. Approximately 100.000 thunderstorms.
5. Saffir-Simpson Hurricane Wind Scale
6. Project Stormfury was an attempt to weaken tropical cyclones by flying into them and seeding them silver iodide.
7. Because hurricanes last for more time and may include volcano eruptions, earthquakes, and faster winds than tornadoes.
8. When conditions are favorable for a tornado
9. When winds of 74mph are to hit in the next 24 hours
10. Around 10 hurricanes occur around a year in the world
11. Developing stage, mature stage and dissipating stage
Answer:
longitude and latitude grids mark the globe for points of reference to the foot in degrees. then the globe is divided with alphabetical letters starting with a in greenwhich or 0000hours then moves around the globe from the 0 hour to the right until it reaches one hour before itself itself 2400 later so each zone is assigned a letter of the alphabet a-b-c and the hour is in conjunction with the letter so a=0 b=1 c=2 and so on until x is 2400
Explanation:
Two plates that are made up mostly of oceanic crust are the Pacific plate and the Nazca plate.
Explanation:
There are numerous tectonic plates that divide the surface of Earth, and they can be divided into oceanic plates and continental plates. Another division commonly used is major plates. minor plates, and micro plates. The oceanic plates are plates that are mostly made up of oceanic crust, and the land masses on them are consisted of island arcs, mostly of volcanic origin. Some of the oceanic plates are:
- Pacific plate
- Nazca plate
- Cocos plate
- Caribbean plate
- Scotia plate
The Pacific plate is the largest oceanic plate, and it is a major plate. It is dominated by ocean, with numerous island chains scattered across it. This plate is shrinking from all sides as it has subduction zones with all of the continental plates that surround it. The Nazca plate is another oceanic plate, being located between the South American and Pacific plates. It is a minor plate, and it has a subduction zone with the South American plate, which has resulted in the formation of the Andean Mountain Range.
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Answer: A) import substitution.
Explanation:
Import substitution is the process of replacing items sourced solely from other countries with domestic production/industries. It reduces or eliminates the reliance on importation and is usually put in place for key products.
It is also practiced by developing countries or economies as a policy to reduce dependency on other countries, as well as limit the effects of foreign trade on the foreign exchange market.
