Formula
What does the "O" in H2O stand for?
1 oxygen atom
Is water vapor a natural gas or man-made gas?
Natural gas.
What does the H2 stand for in H2O?
2 hydrogen atoms.
How long does water vapor stay in the atmosphere?
Around nine days.
What is the formula for water vapor?
H2O
True or false
Water vapor is the most abundant greenhouse gas.
True.
True or False
The molecules in water are more spread out than in water vapor.
False
Why is water vapor the most important greenhouse gas?
Because it controls Earth's temperature.
What happens to the molecules in water vapor?
They interact with each other less and are less structured.
True or False
Water vapor causes around 60% of the warming effect.
True