Answer:
capable of being ploughed and used to grow crops.
4 as the electronic configuration is 2,2 ! valence shells has 2 which is same as element 2 ( which i am assuming based on the periodic table is helium? )
Over geologic time, the continental slopes are temporary depositional sites for sediments. During lowstands of sea level, rivers may dump their sedimentary burden directly on them. Sediments build up until the mass becomes unstable and sloughs off to the lower slope and the continental rise.
1765 people have suffered in the great Lakes region for many years and months
58 earths can fit in Neptune