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Q4: Why are waves in ponds and lakes
Q9: Rocks of the shield are primarily _.<br>A)
Q10: What characteristic feature of Pennsylvanian rocks distinguishes
Q16: Briefly describe the "out of Africa" view
Q21: What are elongated,streamlined rock ridges in wind-dominated
Q30: What is an anaerobic organism?
Q30: What are believed to be the causes
Q31: What is a 20-year flood?
Q38: Vestigial structures are those that have only
Q55: During times of drought,the water table _.