Aluminum cans may be collected and processed into new aluminum products over and over again. this illustrates that aluminum is a resource.

renewable source you can reuse it again and again

. ph changes the ability of them he enzyme to dissolve in water.

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.