How does the video make the atom bomb seem less threatening than it
actually was?
O
A. By showing people getting scared and running around during an
atom bomb attack
B. By showing people successfully surviving an atom bomb attack
while on a picnic
O
C. By showing people getting hurt during an atom bomb attack while
walking down a street
O
D. By showing people doing nothing during an atom bomb attack

The video shows that the atom bomb seem less threatening than it actually was: B. by showing people successfully surviving the atom bomb attack  while on a picnic.

Explanation:

The children were instructed to "Duck and Cover" when seeing a flash. This is evident through the video. Bert the Turtle was the character used to mention that the atom bomb attack is less dangerous.

The close-up shots of the people are used in the video to explain how to duck and cover. This video is shown to the students to educate them.

The atom bomb blast is shown less dangerous in the video by showing the survival of people after the attack.