They are called ziggurats. Not sure if this answers your questions as it is oddly phrased.
ziggeroths
Ziggeroths
No, because the moon is revolving around the earth.
No.
There is no ladder if (of?) rocks under the earths surface, your question is meaningless.
Jacob's ladder reached from Earth up to Heaven.
Could be a dam, but perhaps you're thinking of "levee."
yes
They were the first humans on earth. They are a cross breed of ET and human.
They were the first humans on earth. They are a cross breed of ET and human.
Weathering, erosion, and deposition. Earth's surface could also be built up by volcanism.
They wanted a more permanent food source, animals that they hunted weren't infinite ya know, so they decided on something permanent, like veggies