(a) Why is the permeability to oxygen is the same for a phospholipid bilayer and a cell surface membrane. (2)

the answer you are looking for is the united states forest service.

hope this !

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.

you're crazy : )