Answer:
It is asking you to write what you learned from a certain experiance, like "This experiance has taught me that lying leads to consequences." Or something like that. Also In your first paragraph, it says, "'because when I was younger" You could combine it with "I believe that lying is bad" Instead you could say, " I believe that lying is bad, for example when I was younger..."
Answer:
The Blue Whale is the largest mammal. The largest land mammal is the African Bush Elephant.
SO THE BLUE WHALE IS THE LARGEST
Answer:
The strom wiped out six groves of fruit trees.
Your prepositional phrase is "around the park". Your preposition is around the is your modifier and park is your noun