Depends. For most of the mainstream Churches in Christianity, the answer would be yes - even encouraged to do so. There are smaller sects of Christianity that would not allow this as they would view it as breaking God's Second Command.
The line of authority from top management to the lowest ranks represents the scalar chain. Communications should follow this chain. However, if following the chain creates delays, cross-communications can be allowed if agreed to by all parties and superiors are kept informed.
Not allowed for Christians, normal for Muslims.
Because it reminds them that Jesus died on the cross to forgive Christians (like me) of our sins
the christians are reminded that jesus died on the cross
It is best for a christian not too date peepz who aren't Christians. you are ALLOWED to date any1 you want but its best not too date non-christians.
Yes.
Marvin (the tallest one) wears the cross chain as a special symbol
Most Mexicans are Christians, so yes.
She had the chain in the whole time.
Sure, it is allowed in areas where there are Christians.
Constantine gave more rights to Christians and allowed them to hold offices which was not allowed before.
Christians use the cross as a reminder of Jesus being crucified.