Limiting the amount of personal information available to others includes reducing your footprint, and personal information items not required for your operational mission such as credit cards and other identifiable items in your wallet or purse.

The correct answer for this question is this one:
Limiting the amount of personal information available to others includes reducing your carbon footprint, and personal information items not required for your operational mission such as credit cards and other identifiable items in your wallet or purse.

It should be at the center of any map going vertically: the prime meridian, as it passes through greenwich,  england, is considered 0 degrees longitude