After the 1917 russian revolution, ethnic russians were allowed to move to the republics of the new soviet union - which were areas of fertile soil – while all others were forced to settle on government farms. which factor best describes why ethnic russians received better land? a) economic b) environmental c) political d) social

b is the correct answer

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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.