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I'd have to go with "wind."

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11y ago
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Q: Sand dunes demonstrate the presence of what phenomenon on Mars?
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Photographs of the surface of Mars reveal the presence of sand dunes that shift over time. These dunes demonstrate the presence of what phenomenon on Mars?

winds


What planet has sand dunes?

Mars


Are sand dunes on mars?

Yep


What planets have sand dunes?

Mars and Earth.


What 2 planets have sand dunes?

Mars and Earth.


Are sand dunes common on Mars?

Yes, most of the surface is sand.


Is there presence of liquid water on Mars?

They had found ice on mars but no sign of a liquid


What Is Mars Description?

Mars is a terrestrial planet. It has a reddish appearance due to the presence of iron oxide on its surface.


Where did they discover Mars?

Probably the Babylonians were the first to observe and record the presence of Mars, which would make it around 700 BC.


Is the greenish areas on Mars due to vegetation?

No. There is no evidence of life on Mars. The greenish color is due to the presence of greenish minerals.


Is Mars lifeless?

Evidence indicates the presence of water, which supports life as we know it.


What exists on Mars?

Many speculated about the presence of liquid water and rusted iron on the planet's surface.