Terribly worded question, but yes the Earth has a liquid outer core and a solid iron inner core.
Yes, the Earth's core spins within the planet.
Yes, the Earth's core is spinning within the planet's interior.
The Earth's core makes up about 15 of the planet's total volume.
No, Earth is not the only planet with lava (magma), Venus has a molten core as well as Earth.
Mars
Mercury is slightly smaller then the Earths Core. Mercury is believed to have been struck by a planet sized object billions of years ago which blew away everything but the core of the planet.(If Pluto was still a planet, Pluto would also be smaller than the Earth's core, but it was demoted to the status of a dwarf planet.)
The Earth's core makes up about 15% of the planet's total mass.
none
The core. The heart of the planet is called the core, Earth's core is molten while some other planets have solid cores.
No, the Earth's core is not spinning in the opposite direction. The core of the Earth rotates in the same direction as the rest of the planet, which is counterclockwise when viewed from above the North Pole.
We are ON, not in, the 3rd planet from the sun. Usually called Earth.
Because it is the innermost part of the planet.