Question

Chernobyl was the worst ________ in history, and the effects are still being discovered.
a. oil spill
b. nuclear meltdown
c. mine collapse
d. flood

Answer 1

B
Chernobyl is still dangerous to this date.

Answer 2

Chernobyl was the worst ________ in history, and the effects are still being discovered.
b. nuclear meltdown