1.

Read the following statements carefully:1.In a spectacular discovery, the XENON collaboration publicly announced the discovery that xenon-124, an isotope of the element Xenon, is fundamentally unstable.2.Its half-life is 1.8 × 1022 years: more than 1 trillion times the present age of the Universe.3.It’s the longest half-life humanity has ever measured directly, and its implications for the nature of reality couldn’t be more profound.Which of the above statements is/are correct?

A. Only 1
B. Only 1 and 2
C. Only 1 and 3
D. Only 2 and 3
E. All are correct
Answer» F.


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