Q472
By the early 1950s the US and the USSR were already making thermonuclear weapons hat had a yield between . . . . . . . .
A.
10 and 15 kilotons
B.
10 and 15 thousand kilotons
AnswerC.
15 and 20 kilotons
D.
100 thousand kilotons
Answer: Option B
Solution
Answer: Option B
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