#1
Which process involves the conversion of carbon dioxide into organic compounds by plants?
#2
Which of the following is NOT a greenhouse gas?
#3
What is the process by which carbon is transferred from the atmosphere to the biosphere through photosynthesis?
#4
Which molecule is responsible for transporting oxygen in the bloodstream of animals?
#5
Which of the following is a greenhouse gas that is more potent than carbon dioxide but less abundant?
#6
In which layer of the atmosphere does most of the Earth's ozone reside?
#7
What is the primary source of atmospheric carbon dioxide?
#8
Which compound is a common greenhouse gas and also an important component of smog?
#9
What is the chemical formula for ozone?
#10
Which process involves the breakdown of organic matter by bacteria and fungi, releasing carbon back into the atmosphere?
#11
What is the term for the process by which carbon returns to the atmosphere from the Earth's surface?
#12
Which of the following is NOT a sink for carbon dioxide?
#13
Which of the following human activities contributes the most to the release of carbon dioxide into the atmosphere?
#14
Which of the following is NOT a feedback mechanism related to carbon dioxide in the atmosphere?
#15