Earth's atmosphere has a mixture of gases. 99% of our atmosphere is Oxygen and Nitrogen. The remaining 1% is made up of other gases, such as CO2. Greenhouse gases consist of molecules with ____ or more atoms.

1
2
3
4

3

Which of the following is true regarding the greenhouse effect?

The greenhouse effect is good because it keeps our planet's temperatures regulated from day to night.
Since the Industrial Revolution, human processes have been adding more greenhouse gases into the atmosphere which allows more heat to be trapped in the atmosphere.
Although the greenhouse effect is natural, an accelerated increase in greenhouse gases is causing average global temperatures to rise.
All of the above

Although the greenhouse effect is natural, an accelerated increase in greenhouse gases is causing average global temperatures to rise.

Greenhouse gases consist of molecules with three or more atoms.