This is the US Dollar (USD) to South African Rand (ZAR) exchange rate history summary page, detailing 180 days of USD ZAR historical data from Thursday 16/04/2015 to Sunday 11/10/2015. Highest: 14.0681 ZAR on 28 Sep 2015. Average: 12.6667 ZAR over this period. Lowest: 11.7775 ZAR on 17 May 2015.
The term âcarbon footprintâ is used to denote the amount of carbon dioxide produced by your daily activities and use of material goods. Since CO2 is the most common of the greenhouse gases, you can determine your personal participation in Global Warming.
A carbon sink is something that takes carbon out its natural cycle and stores in for an extended period of â¦ time. Vegetation, particularly trees, absorb carbon, and thus they act as stores. However, decaying vegetation releases the carbon back into the air as it decays.aking the world better, one answer at a time. Humans can indeed be considered carbon sinks. Not only do humans have a lot of carbon in them they also use a lot of carbon.