Venus is sometimes thought of as Earth's sister planet. In some ways the two planets are very similar. Venus is only slightly smaller than Earth, has a similar density and chemical composition. Yet Venus does not support life like Earth. What is one important reason why Venus cannot support life as we know it?
Question 5 options:
Venus has no atmosphere.
Venus' surface temperature is about 480oC.
The water on Venus' surface is too hot to support life.
Venus' dense clouds keep the planet's temperature very low.