The answer is D. Russia -- Moscow
Answer:
Human survive on Mars would require living in artificial Mars habitats with complex life - support
systems.
It'd be D because twice the radius(16)would be the length of one side(32) and area for a square is side times side so it would be 1,024 ft^2
Hope that helped
From plants because they give off oxygen so EVERYWHERE
Answer:
I think globalized but im.not to sure