Thirteen-year-old grace's blood tests indicate that her levels of testosterone are about twice as high as they were a year ago, and that her estradiol levels are about eight times higher than last year's. grace is most likely experiencing: a. normal changes as a result of having entered puberty. b. difficulties because of significant imbalances in hormonal levels. c. abnormal levels of development of male physical characteristics. d. abnormal levels of development of female physical characteristics

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada

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