If the electron configuration of magnesium is (2.8, 2], what is the electron configuration of the element before it on the periodic table? (1 point)
[2.8,5)
O [2.8.1)
[2.8, 3]
[2.8)

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