QUES: In the case that your YZ file doesnt open it is highly likely that you do not have the correct software application installed on your PC to view or edit YZ file extensions

correct the punctuation.

CORRECTED: In the case that your YZ file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit YZ file extensions.

QUES: 13 September 201013 September 2010 Lisa

correct the punctuation.

CORRECTED: 13. September 201013. September 2010 Lisa

QUES: The paint is water based The whale is the worlds largest mammal weighing more than 120 tons It occurs in many stories like Pinocchio and Moby Dick

correct the punctuation.

CORRECTED:
The paint is water based. The whale is the world's largest mammal, weighing more than 120 tons. It occurs in many stories like Pinocchio and Moby Dick.