This map is a topographic map, it shows the elevation of different landforms, if it rained, which direction would water flow, select 4 arrows to mark for directions at you predict the water will take.

the answer is c. nacl

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.

може ли да зареждате повече информация, моля