What is the best way to reduce water and land pollution?

Pick up litter and throw it away in a garbage can.

Blow or sweep fertilizer back onto the grass if it gets onto paved areas.

Mulch or compost grass or yard waste.  

Wash your car or outdoor equipment where it can flow to a gravel or grassy area instead of a street.

i feel as if they would both catch on before to long because they would see them to frequent

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.