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Both Venus and Mars have atmospheres that are mostly carbon dioxide. However, Venus has a very thick atmosphere. The Martian atmosphere is very thin, so the answer is Mars.

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12y ago

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Whta's the major component of Venus' atmosphere?

The major component of Venus' atmosphere is carbon dioxide.


What percent of mars atmosphere is carbon dioxide?

The martian atmosphere is composed of five main gases, with carbon dioxide making up 95.32% of the atmosphere. Other gases include:Nitrogen - 2.7%Argon - 1.6%;Oxygen - 0.13%;Carbon Monoxide - 0.08%


Which increases the amount of carbon dioxide in the atmosphere acting as a carbon source?

Respiration :)


What is the major component of Venus's atmosphere?

The atmosphere of Venus consists mainly of carbon dioxide, and a small amount of nitrogen. The thick cloud cover is composed of sulfur dioxide and sulfuric acid droplets. Due to the dense atmosphere, the surface temperature ranges from 750 to 930 degrees Fahrenheit (398 to 498 Celsius). The surface pressure is 90 times that of Earth. That's like being one kilometer (more than half a mile) under the ocean.


What is Venus' major gasses?

Venus' atmosphere is primarily composed of carbon dioxide (96.5%) with traces of nitrogen and sulfur dioxide.


Where does co2 loading occur?

- carbon dioxide is released in the atmosphere: - part of carbon dioxide in the atmosphere is absorbed by the biosphere - part of carbon dioxide in the atmosphere is absorbed by body of waters


Identify the two major reservations of carbon dioxide on earth?

There are two major reservations of carbon dioxide on Earth.All the trees and forests hold a store of carbonAll the fossil fuels (coal, oil and natural gas) under the ground hold a store of carbon.


What are the major and minor gasses in the atmosphere from mars?

Mars has an extremely thin atmosphere that is primarily Carbon Dioxide, if I recall correctly.


Which increase the amount of carbon dioxide in the atmosphereacting as a carbon source?

Burning fossil fuels and deforestation are two major human activities that increase the amount of carbon dioxide in the atmosphere, thus acting as a carbon source. When fossil fuels are burned, they release carbon dioxide, and when forests are cleared, the trees that once stored carbon release it back into the atmosphere.


What is Venus's major and minor gases?

Nitrogen. This is "minor".Carbon dioxide. This is the "major" gas. It makes up about 95% of the atmosphere.


What do plants do to lessen the greenhouse effect?

Plants help lessen the greenhouse effect by absorbing carbon dioxide during photosynthesis. They store this carbon in their biomass, which reduces the amount of carbon dioxide in the atmosphere. Additionally, plants release oxygen as a byproduct of photosynthesis, which helps to balance the levels of greenhouse gases in the atmosphere.


Is carbon dioxide a major gas on Mars?

The martian atmosphere is composed of five main gases, the greatest of which is carbon dioxide - it makes up 95.32% of the atmosphere. Other gases include:Nitrogen - 2.7%Argon - 1.6%;Oxygen - 0.13%;Carbon Monoxide - 0.08%