(1 point) Think about the ancient temperatures and how they compare with the current temperatures you've calculated for each planet. What can you say about long-term habitability of these different terrestrial planets in our solar system? (1 point) The runaway greenhouse effect and its inverse, the runaway refrigerator effect, have led to harsh, uninhabitable conditions on Venus and Mars. Does the greenhouse effect always cause climate changes leading to loss of water and life? Give a reason for your