text: The only difference is is that it is on a different planet instead of Earth. I believe that's why everyone thinks aliens created it. Like I said before, natural landforms are everywhere, they're natural so of course they'll be everywhere. So, don't let some person with no evidence tell you there are aliens on Mars and they it for a fact because someone else said it was true. If you ever want to be a scientist, you need to find your own evidence or make sure whoever you got the evidence from is correct. Also, you NEED to be skeptical.                   In the eyes of many people, traveling by cars is the easiest to go by. But is it the easiest to live with? The fumes that the vehicles we ride in give off and make smog and other breathable things thats not really well for us to breathe in. The fumes that the cars give off and if we breathe in, its like the effects a cigarette, it could damage your lungs. If we citizens limit of how much we use a car, wonder how much it would do. This could help the economy if we spend at least a day out the year recognizing the importance of not using a car as much.