Answer:
Typically, Copper is used for wires in electric circuits.
Nephron helps the urinary system to rid off metabolic waste in our system.
I think the answer is "the older it is"
Reason: I might be wrong but is something (like a shell) gets buried in something (like sand), overtime many things (like dirt, soil, sand, etc.) will be on top of the original. This will make layers. So, the older rock is on the bottom since it has been there for the longest and it gets covered by other stuff (causing the layers).
Hope this helps! :) (If I'm wrong, sorry :( )
I have a runny nose and things are dirty.
Answer:
1. Cohesion is the attractive force between water molecules
Explanation:
