Explanation:
In the planet Earth , there are movement like the plate tectonics , which makes the surface of earth crust to move continuously , which is capable to generate lines of individual islands and volcanoes .
But these type of tectonic movements are not possible in Venus or Mars .
Thereby making the surface of earth different from that of planet Mars and Venus .
<span>Philadelphia is the city</span>
I think is Asia, but I could be wrong
(but it probably is so yei)
