Sediment deposited where a river flows into an ocean or lake
A Karst topography
B delta
C flood plain
D groundwater
E water
F runoff

14,16 18 reacts with group

a polar bond is formed when electrons are shared unevenly between atoms

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.