yes
The earth is made of mostly rock because the crust is rock and the inside such as the core is molten rock such as lava.
yes
yes
The earth is made of rock. It's sometimes called the lithosphere, and litho means rock. A lot of the rock in the middle of the planet is molten, but liquified rock is rock just the same. The earth has an atmosphere, but it is not a "gas planet" in that sense. We look at the structure of the earth in geology and geophysics. And most folks associate geologists with rocks.
No. Venus is made of rock and metal, like Earth.
rock.
Mostly gas
Jupiter is mostly made out of gas not rock.
rock not gas
mars is mostly made of rock because it is a rock planet. earth,mercury, and venus are all rock planets
rock.
rock.