Though toads are still around, they no longer are as common in some areas as they were a few decades ago. The growing use of insecticides has reduced their numbers. The chemical sprays usually do not harm toads, but cut down the animals’ food supply. Thereby, the toads do not have enough food to survive. There are fewer toads in many areas populated by humans. What text structure is this? A. Cause and Effect
B. Problem and Solution
C. Compare and Contrast
D. Chronological