How is e. coli like a paramecium? a: both are single-celled. b: both produce essential vitamins. c: both have a nucleoid. d: both have a contractile vacuole.

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere