One property of radioisotopes is that ____decaying occurs in half-lives over a long period of time.
Solution
Correct Answer: Option D
-gerund (v + ing)-এর আগে pronoun-এর possessive form use হবে।
-এখানে decaying হলো gerund।
-এখানে decaying হলো gerund।
Practice More Questions on Our App!
Download our app for free and access thousands of MCQ questions with detailed solutions