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What is a gaseous nonmetal that makes up 78 percent of Earth's atmosphere?
Nitrogen is the gaseous nonmetal that makes up 78 percent of Earth's atmosphere.
Is 21 percent of the earth's atmosphere nitrogen?
No, 21% of Earth's atmosphere is oxygen. Nitrogen makes up 78%.
Which planet has is atmosphere mostly made of nitrogen?
Neptune (NovaNet) There's something wrong here. Neptune is mainly a hydrogen atmosphere. Earth is the planet with a mainly nitrogen atmosphere, but the coldest is Neptune.
Nearly 1 percent of the earth's atmosphere is?
Nearly 1% of the Earth's atmosphere is made up of water vapor.
What percent of oxygen is in your atmosphere?
Oxygen makes up about 21% of Earth's atmosphere.
What effect does americium have on earth?
Americium can be a radioactive contaminant of the earth.
What composes twenty percent of earth's atmosphere?
Oxygen composes of twenty-one percent of Earth's Atmosphere.
What element is nearly 78 percent of the earth's atmosphere?
Nitrogen is nearly 78 percent of the earth's atmosphere.
Which gas forms 21 percent of the Earth's atmosphere?
Oxygen forms 21 percent of the Earth's atmosphere.
Is americium common in the Earth's crust?
No. Americium is a synthetic element. It does not occur naturally on earth.
What element constitutes nearly 78 percent of the Earth's atmosphere?
Nitrogen constitutes nearly 78 percent of the Earth's atmosphere.
What gas is 21 percent of the Earth's atmosphere?
Oxygen is the gas that makes up about 21 percent of the Earth's atmosphere.
What is the percentage of Americium found on earth?
Americium is an artificial element.
What is 78 percent of earths atmosphere composed of?
Nitrogen makes up about 78 percent of Earth's atmosphere.
What two elements comprise 99 percent of the volume of the Earth's atmosphere?
Earth's atmosphere is roughly 78% Nitrogen & 21% Oxygen.
Which planet's atmosphere is 78 percent nitrogen?
The Earth has an atmosphere of 78% nitrogen (and 21% oxygen).
What is its atmosphere is about 20 percent oxygen?
The Earth
