It's not. Many people thought that the Earth's inner core was liquid because of the intense heat that is generated by the remains of the Earth's creation and the radiation emitted from radioactive decay. Of course, now we think, due to the behavior of seismic waves and a number of other evidences, that the Earth's inner core is solid due to the intense pressure that exists.
The Earth's core is solid, not liquid. It is a sort of giant ball (1,200 kilometers/ 750 miles in diameter) made out mostly of iron. The force that made this planet a round globe with the heaviest component in the middle, is called gravity.
The liquid section of the earth is called the mantle. It is made up of magma and is directly under the earth's crust.
i have no idea why are you asking me?
The outer core
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Temperature - and pressure.
pressure :)
outer core
The mantle isn't 100% liquid because magma solidifies near the crust and becomes plastic in texture and not fluid but eventually cools down to form the lithosphere. Lower parts of the mantle are not liquid because the high pressure keeps rock from melting.
Strong nuclear force.
because it keeps the air inside the earth
gravity
Inertia.
Buoyancy
Nothing keeps them from being pulled. Earth's gravity certainly pulls on them.
atnosphere gets held back by earths gravtional field
Boyant force on a body will equal weight of displaced liquid or the body keeps sinking
The force of gravity does. It's really the only force available.
Friction has 100% nothing to do this the Earths orbit, its gravity and inertia.
I believe your answer would be gravity. You are always being pulled by the Earths gravitational force, and it is what keeps your feet on the ground, and fall down if you are not conected to something.
The force of atttraction among them limit their motion
The force that keeps all of our planets in rotation is gravity.
The Earth's gravitation force is greater than the Moon, which keeps the Moon in orbit round the Earth.
The earth by its gravitational pull keeps the moon in its orbit. The earths gravitational pull and the Moon's inertia creates a force called the centripetal force which keeps the Moon in orbit.
The mantle isn't 100% liquid because magma solidifies near the crust and becomes plastic in texture and not fluid but eventually cools down to form the lithosphere. Lower parts of the mantle are not liquid because the high pressure keeps rock from melting.