Question

What did the operators in Japan's nuclear power plant use to prevent nuclear meltdown following the 2011 Earthquake?

a. ice
c. seawater
b. hydrogen gas
d. carbon dioxide

Answer 1

c. seawater

Step-by-step explanation:

Water serves as a radiation shield that let the workers get close enough to break up and collect the ruined fuel.

Answer 2

It was primarily "seawater" that the operators in Japan's nuclear power plant used to prevent a nuclear meltdown following the 2011 Earthquake, since this water helped cool the reactors.