Show all your work for questions 3 to 8. 3. Knowledge and Understanding
In each case, a research topic and two sources of information are described. Decide which
data source is more likely to provide reliable data. Justify your choice. (4 marks)
a) Topic: The benefits or adverse effects of eating organically-grown vegetables.
Source 1: A pamphlet distributed by dieticians and health care professionals
Source 2: A pamphlet distributed by manufacturers of pesticides and herbicides
b) Topic: The advantages and disadvantages of driving hybrid cars.
Source 1: An information booklet written and produced by a major oil company
Source 2: An information booklet written and produced by an environmental group