请用中文解答此题---Here is the extracted content from the image: **Question Stem:** 2. A group of frogs are lined up in a solid square array. Count the number of frogs and fill in the blanks below. **Options/Blanks:** (a) There are ______ layers. (b) There is a difference of ______ frogs between each adjacent side. (c) There is a difference of ______ frogs between each adjacent layer. **Chart/Diagram Description:** * **Type:** Image array/grid. * **Main Elements:** The image displays an array of small, cartoon-like green frog illustrations arranged in a grid. * The array is a perfect square. * There are 6 rows of frogs. * There are 6 columns of frogs. * Each row contains 6 frogs. * Each column contains 6 frogs. * The total number of frogs in the array is 36 (6 rows x 6 columns).