Each group of sentences can be arranged and written as a paragraph. Select the sentence that would be the best topic sentence. _____
A) As climate change dries up the moist environments they need, more frogs die out.
B) The disappearance of frogs around the world is a disturbing sign of ecological problems.
C) Because frogs eat mosquitoes and flies that carry serious diseases, those illnesses rise as frogs become extinct.
D) Because many other species eat frogs, their passing pushes those species toward extinction.

Question

Quizplus · Accepted Answer

The sentence about the disappearance of frogs being a disturbing sign of ecological problems (B) serves as the best topic sentence because it introduces the general topic of ecological issues through the specific example of frogs disappearing. The other sentences (A, C, D) provide supporting details that explain the consequences of this phenomenon, making B the most suitable as the overarching topic sentence.

Each Group of Sentences Can Be Arranged and Written as a Paragraph