<u>Temperature and salinity</u> is responsible for surface currents.
Explanation:
Temperature and salinity of ocean currents influence its density. Warmer and less saline waters are less dense and hence form the surface currents, Cooler and more saline waters are denser and hence form the deep currents.
Remember that warm water can accommodate more salts and minerals, therefore, their relative concentration is lower than cooler water that gets concentrated fast with the same amount of salts and minerals. This is why deep currents that are cooler are more saline than surface currents.
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A major factor that continues to contribute to terrorist activities in the middle east is the instability of the governments due to constant military conflicts. he presence of insurgents within the Middle east countries have also added fuel to fire in this respect. I hope it helps you.
Glaciers cover nearly 10% of Earth's land surface.
The crust floats on the convection currents
Answer:
Physical maps typically give the viewer a general idea of how the landscape is. For example, it gives a general location of where mountains, deserts, rainforests, oceans, and other landforms are located at based on longitude latitude. Political Maps, on the other hand, gives a generalized to more specific idea of how each state/region votes for. In the United States, it is typically shown as red/blue, as in Republican-leaning/Democratic-leaning. There is no natural land form shown.
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