$8$ A student looks at the image below and decides that for a planet to be habitable it must be the same size as Earth. Is this student's claim valid? F$.$ no$,$ because even larger planets can have an atmosphere G$.$ yes, because human beings can only survive a certain amount of gravity H$.$ no$,$ because the habitable zone has nothing to do with size I. yes, because only Earth$-$sized planets have water