carbonanditscompoundclass10

22:26

4:12:37

9:08:35

3:01:39

3:25:11

4:19:36

4:33:19

36:26

2:19:36

1:53:52

2:03:10

1:21:26

1:50:25

49:06

1:35:02

1:33:58

2:25:24

39:15

8:03:28

2:23:45

28:20

23:18

7:18:53

8:24:13

41:55

3:11:15

42:43

43:43

35:24

1:38:51

24:48

1:59:18

37:39

10:44

1:08:36

40:45

2:44:47

3:59:33

1:18:35

3:16

18:25

27:30

2:34

51:36

8:07

10:29

2:26

5:32

4:11

5:17

1:46:11

1:16:40

2:15:39

31:37

44:05

3:49:06

37:59

26:42

14:32

3:50:13