Geologic Time Webquest
Geologic Time Football Field Analogy. Use the geologic time scale to the right to find the missing dates and fill in the blanks under the . ... What events are within the first 10 yards of the football field from the TODAY end zone? Explain what this means in terms of expansion of life on Earth. 10 20 30 40 50 40 (60) 30 (70) 20 (80) ................
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