To change the used product into another product item is called recycle reuse refuse

Reuse

Explanation:

Reuse is a practice in which an item is used again for its original purpose or for making it for the use for another purpose. This practice is widely used around the world. This practice decreases the cost of production on the item and higher profit should be made from it. This practice is also decreases pollution because lower work should be required for its repairing and the item is ready to use.

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.