Challenges of Mars Colony

 Oxygen : the weather on mars is not suitable for living things because carbon dioxide is 96% of the atmosphere, Mars has almost no oxygen; it's only 0.2 which is  not enough for humans to survive. 

Water : the water in mars is in form of solid ice that cannot work for drinking , agriculture , and life activities

Plant : in mars the soil is toxic and have thin atmosphere with high speed wind and radiation with a little sunlight.

Wind: the wind in mars is so high and can affect human in negative way.

Electricity : in mars there is no electricity and human cannot live with out it because they need it for lights , heating water , and heaters because the weather in mars is so cold.

Gravity : while gravity in mars is so weak human need to coexistence with this situation.

Radiation : radiation in mars is so high and can affect human in negative way because theirs is a lot of magnetic storms .

Warm temperature : the weather in mars is so low and cold it can reaches to -80 Celsius . Human cannot live with this situation.

Soil :the soil in mars is toxic and plant cannot grow in this type of soil