xkcd #3318: Earth Sized Planets
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It probably has an icy mantle over the real silicate geology, but I'm hoping something weird happened to burn off most of the water like with Io.
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Source: https://xkcd.com/3318/
That's my understanding. The moon is probably why we have plate tectonics, and plate tectonics is probably why our surface contains all the elements for life.
So in other words, a relatively massive moon orbiting relatively close may be the secret to why there's life on earth. (Also, the planet needs to be not tidally locked to that moon)