Mantle is the most dynamic layer and it is the main force in adding features on the surface of the earth. Justify with any three examples.
Answers
Answer:
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Explanation:
The Earth is divided into three main layers. ... the mantle (red), and the thin crust (brown), which supports all life in the known ... The most well-known feature associated with Earth's lithosphere is ... From about 410 kilometers (255 miles) to 660 kilometers (410 miles) beneath Earth's surface, rocks undergo
Answer:
example 1 The net cooling and total internal energy change are the same as in the bottom-cooled example
example 2 imagine that we have 1 km of dynamic stress-supported relief on Earth's surface, an amount greater than the upper end of values consistent with the observed distribution of seafloor depths that are predominantly influenced by the near-surface cooling of the ocean lithosphere as it ages. A km of dynamic relief over Earth's surface of area A is associated with stored
example 3 if we assume that the mantle's 8.6 ± 4 TW of radiogenic energy production is uniformly distributed through the mantle, then this energy generation would be currently generating 0.14 × (8.6 ± 4 TW) = 0.7–1.8 TW of new gravitational power. The 5–21 TW of heat flowing across the CMB can generate up to an additional 0.19 × (5–21) TW = 1–4 TW of new gravitational energy, for a total production rate of 1.7–5.8 TW of new gravitational power. Gravitational energy replenishment by adiabatic expansion linked to slab-induced viscous dissipation is of order 0.14 × (11–14 TW) = ~1.5–2 TW.