18. What does the sim and the atomic-scale model show that simple observations of properties cannot? a. the conservation of all of the atoms

b. what happens to the atoms during a chemical reaction

c. how atoms separate and rearrange to form new substances

d. all of the above

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