1the action of abrasion can best described as a. windblown sand cutting and polishing exposed rock surfaces b. coarse sand particles rolling along the desert surface c. sand being blown into the air to cut and carve rock formations d. the wind creating desert pavement sand dunes that form scalloped rows of sand at right angles to the wind are called a. star dunes b. parabolic dunes c. transverse dunes d. barchanoid dunes

Prior to which amendment were slaves counted as three-fifths of a personality

What was a northern objection to the kansas-nebraska act?

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.