What was the age of patient that had a pig heart transplant for the first time?

(A) 53
(B) 57
(C) 61
(D) 64

World’s-largest canal lock unveiled in?

(A) USA
(B) China
(C) Netherlands
(D) Germany

Study about evidence of water on Moon published on?

(A) 02 Jan 2022
(B) 03 Jan 2022
(C) 06 Jan 2022
(D) 08 Jan 2022

Average global temperature in 2021 was?

(A) 1 and 2.2 degrees Fahrenheit.
(B) 2 and 2.2 degrees Fahrenheit.
(C) 2 and 2.5 degrees Fahrenheit.
(D) 2 and 2.4 degrees Fahrenheit.

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