text: So in conclusion the "face" on Mars was a natural landform. It is classified a landform because it is a rock formation. Also, because these types of landforms are common in the US. It should not be classified as a sign of life on other planets becausethere were no alien marking and it is an optical ollusion.             There are many advantages of limiting car usage. Some include less smog or pollution, stores would be places in walking distance, it saves time because there is less traffic, and it improves safety.