Above is a diagram of a section through part of a young root. (a) Describe the pathways by which water passes from the soil to the cells of the cortex shown in the diagram. The diagram shows the location where mineral ions in the soil enter the plant. There is a greater density of mitochondria in cell X than in a cell of the root cortex. (b) With reference to the uptake and transport of mineral ions, suggest why there is a greater density of mitochondria in cell X than in a cell of the root cortex.

explain how their audience affects the way the Leeds Woollen Workers present their ideas.

Which point of view does the narrator use in the passage?

Harry didn't know anything about the wizard prison, though everyone he'd ever heard speak of it did so in the same fearful tone. Hagrid, the Hogwarts gamekeeper, had spent two months there only last year. Harry wouldn't soon forget the look of terror on Hagrid's face when he had been told where he was going, and Hagrid was one of the bravest people Harry knew.