chocolateloverkyra
No oxygen, no water, also, Venus is too hot for life to exist
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Matia
The planets like mars and venus do not have atmosphere. Thus they can not regulate the surrounding temperature. The temperature of such planets can be extremely warm during day time and extremely low during night. Also water and other essential things for existence for life are not present on these planets.
Answers & Comments
and Venus because there is no water no oxygen and they have no gravitational attraction.