A piece of copper and the other of germanium are cooled from the room temperature to 80 K, then which of the following would be wrong statements?

A peice of copper and the other of germanium are cooled from the room temperature to 80K , then which of the following would be a correct statement?

A piece of copper and another of germanium are cooled from room temperature to 77 K, the resistance of -

A piece of copper and another of germanium are cooled from room temperature to 77 K, the resistance of -

A piece of copper and another of germanium are cooled from room temperature to 80 K . The resistance of

A piece of copper and another of germanium are cooled from room temperature to 80^@K . The resistance of

A piece of copper and another of germanium are cooled from room temperature to 80 K . The resistance of