The correct answer to this question is letter "d. none of the above." Representatives from all member nations are not represented in the un general assembly, the un veto group, the un security council. This is the correct answer as far as the representative is concerned.
<span>District of Columbia
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Answer: Chemical weathering changes the chemical makeup of rocks, transforming their minerals or combining them with new elements. Many caves have been formed from this. This is the wearing away of the earth's surface by wind, glaciers, and moving water.