draw a flow chart that traces a molecule of o2 from the lumen of an alveolus to the binding of the o2 molecule to an fe atom in the heme group associated with hemoglobin. include all steps and anatomical structures that must be traversed by the o2 molecule.

. the sierra madre fault zone of southern california

. the san andreas fault california

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.