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
Answer:
I think it's A because article noun cannot be used Infront of uncontactable noun if it is not properly mentioned
Explanation:
He feels that he should have created something important by that moment, and he is worried that his life is passing by without him accomplishing anything.