Geography High School

Which of the following must be balanced for a portion of the lithosphere to reach isostatic equilibrium?
A. The buoyant force from the asthenosphere and gravity
B. The densities of the lithosphere and the asthenosphere
C. The isostatic uplift and the crustal rebound
D. The compressive forces of two converging plates

Answers

Answer 1

Answer: B

Explanation: The isostatic equilibrium occurs when enormous tectonic plates composed of crustal and upper mantle material are able to float on top of the astenosphere, which in turn is composed of denser rock material. In order for such a thing to be achieved the lithosphere and the astenosphere have to have balanced densities between each other. In other words, the density of the material on top, has to be in balance with the density of the material below it, thus to not have any uplift or sinking occurring between them.

Answer 2

Answer:

The buoyant force from the asthenosphere and gravity

Explanation:

I've seen all these answers on this websites and their all wrong

Related Questions

What is the difference between chemical and physical weathering?

Answers

Answer: Physical Weathering physically breaks the rock, while Chemical Weathering chemically changes the rock causing it to break.

Explanation: Physical Weathering happens naturally causing the rock to break. An example is roots growing into the concrete causing it to crack. Chemical Weathering on the other hand chemically changes the rock by a chemical reaction. An example is acid rain. Gas or other pollution mixing in with water causing acid rain.

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