1. FIERY TIMES
![](https://webarchive.library.unt.edu/web/20161225012137im_/http://climate.nasa.gov/system/questions/22_257427main_smokeplume3_HI_sm.jpg)
Fires release the carbon stored in plants, so measuring the extent and severity of forest fires around the globe is an important ingredient in understanding the carbon cycle.
![](https://webarchive.library.unt.edu/web/20161225012137im_/http://climate.nasa.gov/system/questions/22_257427main_smokeplume3_HI_sm.jpg)
Earth has many processes that regulate carbon, atmospheric carbon dioxide and its role in the carbon cycle and climate. How much do you know?
Carbon and climate change in 90 seconds
NASA Orbiting Carbon Observatory-2 mission
Fires release the carbon stored in plants, so measuring the extent and severity of forest fires around the globe is an important ingredient in understanding the carbon cycle.
Plants use carbon dioxide and water to make their own food through the process of photosynthesis. When they are doing a lot of photosynthesis, plants reflect light strongly in which of the following wavelengths?
What role do the oceans play in the carbon cycle?
Carbon dioxide is a molecule comprised of one carbon atom and two oxygen atoms (CO2). Which atom, carbon or oxygen, has the greater atomic mass?
Why do levels of carbon dioxide in the atmosphere fall during the summer in the Northern Hemisphere?
People have been concerned about the rise in carbon dioxide in our atmosphere, the result of human activity, since what period of time?
Carbon dioxide is not the only carbon-containing compound in the atmosphere researchers are studying. What else are scientists looking at?
Which one of these increases the level of carbon dioxide in our atmosphere?
Plants on land have taken in approximately half of the carbon dioxide that humans have put into the atmosphere over the last several decades.