If there is nothing to absorb the energy of sound waves, they travel on ----, but their intensity--- as they travel further from their source.

A erratically-mitigates
B eternally-alleviates
C forever-increases
D steadily-stabilized

Correct Answer: erratically-mitigates

Erratically অর্থ ‘অনিশ্চিত গতিসম্পন্নভাবে’ এবং ‘তীব্রতা হ্রাস পাওয়া’। বাক্যর শূন্যস্থানে যথাক্রমে erratically ও mitigate বসবে।
Bissoy MCQ

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