Select the most appropriate option to fill in the blank.
Our environment is facing a severe crisis like never before. Any recklessness in this regard could prove ________ to life on Earth.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. fatal.
Context: The sentence talks about the seriousness of the environmental crisis and suggests that carelessness could have dangerous consequences for life on Earth.
Meaning of the words:
- Harmless – not causing any harm
- Innocuous – not harmful or offensive
- Bland – lacking strong features or characteristics; dull
- Fatal – causing death or capable of causing disaster
Correct word: Fatal
Reason: The phrase “could prove ________ to life on Earth” requires a word that conveys danger or death. Fatal best expresses this idea, making it the most suitable word in context.
Final sentence: Any recklessness in this regard could prove fatal to life on Earth.
Hence the chosen option is correct.