The question implies a list of elements or compounds, or mixtures or some combination which account for 97%. With no information about that 97% it is not possible to provide an answer.
Wiki User
∙ 8y agoThe remaining 3% of Earth is composed of other gases like argon, neon, helium, and methane, as well as aerosols and trace amounts of pollutants. These components play a minor role in the atmosphere but can still have significant impacts on climate and air quality.
Oxygen makes up 21 percent of Earth's atmosphere.
Freshwater makes up about 2.5% of the total water on Earth, while saltwater makes up about 97.5%.
Water makes up approximately 70% of Earth's surface.
Nitrogen
80%
Nitrogen makes up almost 80 percent of air. Oxygen makes up about 21 percent, with the remaining 1 percent made up of various gases such as carbon dioxide, argon, and others.
Nitrogen is the gaseous nonmetal that makes up 78 percent of Earth's atmosphere.
Nitrogen
75%
Oceans
32%
Water makes up approximately 70% of Earth's surface.
The Earth's mantle makes up about 82 percent of the planet's volume. The mantle is a layer of solid rock beneath the Earth's crust that extends down to about 1,800 miles below the surface. It is largely composed of silicate minerals rich in iron and magnesium.
Oxygen makes up 95% of Earth's atmosphere.
Nitrogen makes up about 78% of Earth's atmosphere, which is the most abundant gas.
Land covers 30% of the Earth, while the Oceans take up the remaining 70%.
Argon makes up 0.9% of Earth's atmosphere.