Once mars also has water , but where the water disappeared,

Scientists are trying to land man missions on mars , and to make a colony on mars for humans, water and oxygen are very important

But the presence of water and oxygen on mars is very less

Meanwhile, in a scientific discovery it is found amazing facts about mars water

According to this , once there was a ocean on mars

This ocean was very deep

Here many rivers and valleys were also there

The question is that , where all this water has gone

According to nasa , due to climate change , water disappeared on mars

Due to huge climatic changes, all water disappeared

On mars only stones dry and craters were left

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