Is there life on Mars? -

Is there life on Mars?

Answer :

The atmosphere of Mars is 95 per cent carbon dioxide, 3 per cent nitrogen and 1.6 per cent argon. Traces of oxygen and water have also been found. Some scientists have claimed to have found traces of methane. This gave rise to the speculation that there may be life on Mars, since methane is a gas produced by many animals. But other scientists pointed out that methane is also produced by the mineral olivine, which can be found on Mars.

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