Which of these processes are nonsporitameans? Is it impossible for a nonspoutcuecus prexestes to impospible? (a) bike gang up a mile b). mediatur falling to Earth c). Obtaining H2(g) from H₂O (d) a ball rolling down?
 1) bike gang up a mile
 2) mediatur falling to Earth
 3) Obtaining H2(g) from H₂O
 4) a ball rolling down