the layer of dust covering the surface is composed mostly of iron oxide, giving mars its reddish colour.
No earth and Mars both have dirt.
i think mars
The red colour is caused by iron compounds in the soil. Iron is bonded to oxygen, not mixed with it.
i had this in my homework, its Mars
92.3% carbon Dioxide the planet only has 6% water in the soil.
Mars is sometimes called the "Red Planet" because of its reddish appearance, due to iron oxide prevalent on its surface.
The iron in the soil on Mars gives the planet its red color.
Mars
the planet mars
mars because mars is red
This planet is Mars.
Mars is the red planet, because it looks red on close approaches. The next close approach will be in the spring of 2014, you can have a look at it then.
The "Red Planet" is Mars.
MARS
MARS!
Mars
Mars