How deep a valley or trench would be needed on Mars to provide the same atmospheric pressure as 6 km above...
up vote
6
down vote
favorite
Atmospheric pressure increases the deeper you go & the highest growing plants on Earth have been found at a height of 6 km so how deep a trench would we need on Mars to provide similar air pressure? World’s highest plants discovered growing 6km above sea level
mars colonization atmosphere terraforming plants
share | improve this question
edited Dec 2 at 10:14
asked Dec 2 at 1:14
Pelinore
201 7
...