Easy
What is the lowest atmosphere?
Troposphere
What types of activities does Carbon dioxide come from?
Transportation, electricity, and the production of iron and steel
What kinds of careers would include GHG emissions tracking?
Researchers, data scientist, environmental engineers, policy makers
What percentage of the troposphere is oxygen?
21%
After what period of time did the atmospheric CO2 levels start to rise?
Industrial Revolution
What are three ways to examine GHG emissions?
Tracking, monitoring, and predicting
What are 4 greenhouse gases?
Carbon dioxide, Methane, Nitrous oxide, and Fluorinated
What percentage of the troposphere is nitrogen?
78%
What types of samples are taken to confirm that the Earth is getting warmer?
Ice and rock samples