Science

Could you please help me with this question;
Scientists in the future hope to land a mannea spacecraft on Mars in order to survive on this planet problems associated with lack of air, water, food and shelter must be faced. Select 2 of these problems and describe how you think they might be overcomed.Food can be provided by adding local mineral by products of silicon purification allows chemicals for agriculture and industry to be produced.
Water can be provided by applying heat to the frozen ice found on earth. Which will melt the water and keep us cozy.
Can you please critique my work by goving some feedback.

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