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25 July, 21:27

What happens to pressure, temperature and density with increasing depth inside the Earth? 1) there is no way of knowing 2) they are all variable, sometimes going up, sometimes going down 3) pressure and temperature go up continually, but density only increases in steps at the crust-mantle and mantle-core boundaries 4) they all increase

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  1. 25 July, 22:41
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    The correct answer is 4. They all increase.

    Explanation

    The earth is composed of different layers, from the inside to the outside they are the nucleus, the mantle, and the earth's crust.

    The nucleus or deepest layer, is a sphere half liquid, half solid, of around 3200km of radius, and its temperature exceeds 6500 ° C, in the same way, the pressure is much greater than that of other layers. On the other hand, the mantle is the intermediate layer and the widest in the earth because it goes from 30km to 2900km, its temperature is relatively low to have close to 600 ° C and its pressure is around 140 pascals. Finally, the earth's crust is a solid layer that is found from the surface up to 70km deep, in it the pressure, temperature and density are lower than in the core and mantle zone. This shows in summary, the trend of density, temperature, and pressure increase with increasing depth inside the Earth. So, the correct answer is 4. They all increase.
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