The density and pressure increase as we descend toward Earth's center.

Question

BlackTom AI · Accepted Answer

The prompt presents a statement about how physical properties change with depth inside the Earth. The core claim to evaluate is that density and pressure increase as we descend toward Earth's center.
First, we assess the concept of pressure: as you go deeper into a planetary body, the overlying material adds more weight above you, compressing the interior and raising the hydrostatic pressure. This trend continues toward the center, so pressure indeed increases with depth.
Next, the density aspect: in the Earth's interior, materials become progressively denser with depth due to increasing pressure pushing atoms closer together and the phase changes and mineral compositions that occur at various depths. Consequently, density generally rises as depth increases.
A potential pitfall would be to imagine any layer where density decreases with depth, but within the Earth’s structure (crust to mantle to core), the overall trend is an increasing density profile combined with rising pressure.
Therefore, the statement that density and pressure increase as we descend toward Earth's center is consistent with geophysical understanding, and the single word that completes or describes this trend correctly is: increase.

ENEN20002_2025_SM1 Quiz on Lecture 16 material

The density and pressure increase as we descend toward Earth's center.

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