2 Match a-f with some of the materials exercise 1.

Match a-f with some of the materials exercise 1.

The image only contains the first part of exercise 2, which is to match letters a-f with some of the materials. However, the materials listed in exercise 1 are: paper, silver, rubber, gold, wool, metal, wood, plastic, cotton, and glass. The options a-f are not provided in the image, making it impossible to complete the matching exercise.