I believe the answer is C. oil pan
Oil pan usually bolted on the bottom<span> of the crankcase (even though in most cases it's made to be detachable) to cover the bottom of engine block.
It is also molded on the bottom of the crankcase so it could be used as oil reservoir.</span>
The densest objects in space are black holes.
I hoped this helped!
I believe a militia is a military created by citizens, and the Second Amendment does protect the right to bear arms.