Multiple choice Which of the following pairs is not correct? Partial Test-Ban Treaty - 1963 Antarctic Treaty -1965 NPT - 1968 CTBT - 1996 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Antarctic Treaty was signed in 1959, not 1965, making this pair incorrect. All other pairs match their correct years: Partial Test-Ban Treaty (1963), NPT (1968), and CTBT (1996).