C. setence fragment, because we do not know who is doing the action.
i dont know what is the answer of this question
1-the number of turtles has been reduced by tourist activties
2-beds and sun umbrellas are put by tourists on nesting beaches
3-female turtles are frightened by noise and lights from hotels
4-trutles are dug up by dog
5-baby turtles are eaten by large fish