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Q1: Mammals that lay eggs are called _
Q1: The principle of original horizontality states that
Q9: Describe the four stages of the breakup
Q16: Completion <br>_ and _ are mineral compounds
Q38: Continental growth during the Early Proterozoic development
Q44: Desertification is taking place in the Sahara
Q66: Fossils are found almost exclusively in sedimentary
Q80: A surface of discontinuity representing a break
Q81: A combination of related parts that interact
Q89: Deviations from the average strength of Earth's