Question

explain the' sorting materials into group'​

Answer 1

Answer:

Some materials such as glass, are transparent and some others such as wood and metals are opaque. Some materials are translucent. Materials are grouped together on the basis of similarities and differences in their properties. Things are grouped together for convenience and to study their properties.

Answer 2

Answer:

Anne's entire class was anxious and nervous because they were waiting to hear who will be promoted to the next grade. Anne's entire class was anxious and nervous because their teachers were having a meeting. There they were to decide who would move on to the next class and who would be kept back.