Choose the most appropriate option to fill the blank in the given sentence.
Radium _________________ rays that can damage the eyes.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. gives off.
Context: The sentence talks about emission of rays. Radium produces harmful rays.
Analysis of the given options:
Gives away: Distribute
Gives off: Emit
Gives up: Surrender
Gives over: Transfer
Correct word: Gives off
“Give off” means to emit, which fits scientifically.
Final Sentence: Radium gives off rays that can damage the eyes.
Hence, the chosen option is correct.