Https://www.amnh.org/exhibitions/permanent/planet-earth/why-is-the-earth-habitable/life-that-lives-off-the-earth-s-energy/life-at-the-hydrothermal-vents
Hope this helps!
Answer:
c
Explana:
Just because that planet does not have the kind of gravity we have and the atmosphere can trap heat but to make a green house effect you will need time.
Fitness relates to natural selection because of you are not physically fit then you are more likely to live shorter and get eaten by other things.
