Jacob takes an IQ test at ages 25 and 55, measuring his fluid and crystallized intelligence. Based on research of their respective developmental trajectories, what are most likely changes in these two areas that we would see

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