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What 2 gases make up 99 percent of earths atmosphere?
Nitrogen and oxygen make up 99% of Earth's atmosphere.
Describe how did oxygen come to make up to 21 percent of earths present atmosphere?
Oxygen accumulates in Earth's atmosphere from photosynthesis, where plants and algae convert carbon dioxide into oxygen. This process started with the emergence of photosynthetic organisms around 2.5 billion years ago, gradually increasing oxygen levels to the current 21 percent.
What two components make up the greatest percentage of the earths atmosphere?
Nitrogen and oxygen make up about 99% of the Earth's atmosphere. Nitrogen accounts for about 78% and oxygen for about 21%.
What gas forms percent of the earths atmosphere?
Nitrogen is the most abundant gas in Earth's atmosphere, comprising about 78%. Oxygen is the second most abundant, making up around 21%. Other gases like argon, carbon dioxide, and trace gases make up the remaining 1%.
What gases make up the largest percent of Earth's atmosphere?
Nitrogen (about 78%) and oxygen (about 21%) make up the largest percentage of Earth's atmosphere.
What 2 gases make up 99 percent of earths atmosphere?
Nitrogen and oxygen make up 99% of Earth's atmosphere.
What are gases that make up the earths atmosphere?
The most prominent gases are nitrogen (78 percent), oxygen (21 percent) and argon (nine-tenths of a percent).
Which makes up less than 1 percent of earths atmosphere?
Argon and trace gases like neon, helium, and methane make up less than 1 percent of Earth's atmosphere.
What do earths lightest materials make?
The atmosphere.
Earths lightest materials make up what?
The atmosphere.
Why are the major gases that make up earths atmosphere?
Nitrogen, Oxygen and Argon make up 99% of the atmosphere
Does the earths atmosphere make it impossible to see other stars?
No
What are the primary elements that make up the earths atmosphere?
nitrogen and oxygen
What does Earths atmosphere make up?
Earth's atmosphere makes up a blanket or an envelope around it, which is a mixture of many gases.
Does xrays go through earths atmosphere?
No, the earth's atmosphere reflects and absorbs x-rays, so they do not make it to the surface.
How do greeenhouse gases protect earths atmosphere?
They dont they just make the earth hotter
What two gases make up approximately 99 of earths atmosphere?
Nitrogen and Oxygen.
