Common sense is not common - Voltaire
The most common Pokemon is Pikachu.
once you have both a. got the beaten Aguni by using paranoia's soul on Dario and b. had Mina's talisman equipped when going to the garden of madness boss room you can go to the mine of judgement and later the abyss the black panther is located there and has a fairly common soul
That depends on where you are located. In the united States, they are referred to as 'ties'; in the United Kingdom, I believe they are called 'sleepers'. They can also be Concrete or Steel, but wood is the Most common in the US. The are actually Thick beams and not planks, as they distribute that weight and hold the Rails parallel.
Trilobites are common fossils throughout the Paleozoic.
One of the champions is in the Gryffindor common room, one in the library and one in the great hall. You have to beat the one in the common room first and then the Slytherin one in the great hall to get to the Ravenclaw one in the library.
just ask them
The Gryffindor champion is in the Gryffindor common room by the notice board. The Ravenclaw champion is in the library at the table. The Slytherin champion is is the Great Hall near the table where Dumbledore's chair is.
In Harry Potter, Book 6 it mentions that the Hufflepuff is down by the kitchens.
Yes he found it at the end of the last book, it was in the ravenclaw common room.
It isn't accessible in Order of the Phoenix.
Yes, Cho Chang did try and take Harry to the Ravenclaw common room to look for the Lost Diadem in Harry Potter and the Deathly Hallows however Ginny was unhappy about this and suggested that Luna Lovegood took him.
The Gryffindor common room.
don't konw
Ginny is in the Gryffindor common room.
you get missions and the invisibility cloak
I guess there are times when nobody is there.