Select the most appropriate option to fill in blank number 5.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. to.
In the given sentence, the correct preposition to use in this context is "to," as it is used to indicate a relationship or effect on something.
The sentence discusses the detrimental effect of plastic on the entire ecosystem, and the phrase "detrimental to" is the correct expression.