About how many operational nuclear weapons exist in the world today?A.4B.400C.40D.4,000Submit

15. In the nuclear power plants that we have now, uranium atoms

How many atomic bombs were dropped before the Japanese surrendered?TwoFourThreeOne

Q1.  Which incident posed the most serious nuclear threat to the world?  A global disaster.   Climate change in 2007.   The US and Soviet Union testing thermonuclear devices.   The Cold War in 1947.        Q2.  Who decides whether the hand of clock goes forward or backward?  The University of Chicago.   The US and Soviet Union.   The hand runs on its own.   The board of directors of the Bulletin of the Atomic Scientists.        Q3.  What is the unit of measurement of the Doomsday Clock?  Minute.   Hour.   Second.   Not mentioned in the text.        Q4.  How many times in 2010 has the clock been adjusted ?  1 time.   19 times.   6 times.   Not mentioned in the text.

High Scoring..... Name the MEDC with the most nuclear weapons and arms

The number of significant figures in 2.004ma.3b.4c.2d.1