They have already prepared and answer!
This is a rock that came from the moon, but it only got there due to debris from earth :(
These people have all their tracks covered :)
Is this ancient moon rock from Earth?
By Paul Scott Anderson in EARTH | SPACE | February 3, 2019
An intriguing ancient rock found on the moon and brought back by the Apollo 14 mission may actually have originated from Earth, a new study says.
Part of this rock is granite composed of quartz, feldspar, and zircon crystals – all common on Earth but rare on the moon. Did it originate from Earth? Image via NASA.