Its both yes and no but id go with no
<span>Sandstone
is a clastic sedimentary rock. A clastic sedimentary rock is composed of silicate
minerals and rock fragments. They are transported by moving fluids such as
sedimentation due to gravity and are deposited in the area where it stays. They
are composed mostly of feldspar, quartz, rock (lithic) fragments, clay minerals
and mica.</span>
1. <span>the process started with the collapse of a nebula
The universe almost certainly didn't start from the collapse of a nebula.
2. The mantle is the middle layer.</span>