Playas are ____.
a. ancient Pleistocene shorelines representing a past, more humid climate
b. ancient abandoned river courses representing a past, more humid climate
c. intensely gullied
d. occasionally and at least partly flooded with water
Question 2
Broadly generalizing, the three primary soil-forming regimes are ____.
a. eluviation, illuviation, and alleviation
b. laterization, podzolization, and nitrification
c. calcification, podzolization, and laterization
d. podzolization, eluviation, and illuviation
