Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
Helium
Correct answer is C
Nitrogen makes up about 78% of Earth’s atmosphere.
How do you enable 4K video uploads on YouTube?...
Which U.S. President initiated the "War on Poverty"?...
How do you recover deleted Snapchat stories?...
What is the term for the principle that all individuals are subject to the law?...
How can you make combat easier in RPGs?...
Which tree produces the fruit known as the "fig"?...
Which food is a good source of vitamin E?...
What is the term for the peaceful transfer of power in a democracy?...