Suppose we plant pumpkins in a garden where half of the plants are shaded. Then, to test a new fertilizer, we fertilize the plants in full sun and do not fertilize the plants in the shade. In the fall the fertilized plants yield more, bigger, and prettier pumpkins. Which of the following did we fail to include in the experimental design? a. Fall season
b. Fertilizer
c. Pumpkin harvest
d. Amount of sunshine

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