Differentiate qualitative from qualitative observation

Explanation:

Qualitative observation is usually conducted on a small data sample size while quantitative observation is carried out on a large data sample size. Quantitative observation depends on the quantity of the research variables in order to arrive at objective findings since the data is quantified as the actual

fertile good for trade etc

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.