Select the most appropriate option to fill in blank number 3.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. down.
The passage talks about the effects of plastic bags on the environment, and how long they take to degrade. The sentence talks about the time period it takes to decompose. So, the appropriate word for the filler is 'break down' which means to destroy something.