Amber asked her roommate to turn down the radio because she was trying to study. Her roommate had increased the volume from a volume level of 14 to 15. This was just enough for Amber to detect the increase and subsequent decrease. Amber's detection of the increase and decrease of volume is an example of .

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t