Why'd you say Mars has no water or air, if you know it has water and air? You also don't know if it has life or not. If these are examples of how you're going t

Why'd you say Mars has no water or air, if you know it has water and air? You also don't know if it has life or not. If these are examples of how you're going to argue in your essay, I don't think you're going to convince many people.