Becoming a martain

hi guys its me back again today we are doing science 

1. When can a mission to Mars (or from Mars) happen? Why
every twenty-six months.

2.What are two geological features of Mars?

 its Red planet. Volcano in the solar system. 

3. What is one possible solution from the story about oxygen on Mars?

possible solutions on mars for oxygen 

4. If it doesn’t rain on Mars, where does the water come from?
if it is very dry on mars Dig unto find water cause it is underground water is found in ice underground.

5.How will people get food on Mars? What is a possible solution?
brought their own food,it would need to last for twenty-six months until the next supply rocket
arrives.