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If you are using the term 'upper crust' euphemistically and not to refer to bread or pies, then the upper crust is made of aristocrats. If you mean the upper part of the earth's crust, then it is made of the lightest elements from which the planet is made (silicon, aluminum etc).
in your bunghole
tip of a rope when it is going up and down
The mean concentration of copper in the Earth crust is 50 mg/kg/
The outermost layer of the egg model represents the crust.
What does the crust on the earthmean
It is a crust dummy
What does the crust on the earthmean
the oceanic crust is 0.
tip of the spear
If by tip you mean an amount of money we say: propina. If by tip you mean a piece of advice we say: pauta.
To be covered with crust.
the egg comes from the came orifice they use for their pooper.
Montanarello mean a cheese ball with crust !
The oceanic crust is the part of the earth's crust that is below the ocean. The rock that makes up the oceanic crust is about 200 million years old.
You can never tip the iceberg. And I mean NEVER!!!!!!!!!!!!!!!!!!!!!!!!!
It's not an idiom. It means the tip of your nostril.