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31. PLANTS
00:47
30. YOUNG EARTH
01:11
29. PROKARYOTES
00:27
28. RNA
00:44
27. FIRST ORGANISMS
00:25
26. DNA
01:02
25. WHAT IS LIFE
00:55
24. MOUNTAINS FORM
00:48
23. EARTH COOLS
01:22
22. BIRTH OF MOON
00:41
21. TIME MACHINE 2
00:33
20. PLANETERY BODIES
00:35
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