Fill in the parentheses with T(True) or F (False).

The paragraphs from the text, (in brackets on the right), have answers to the following questions:

( ) Why do biologists tag penguins? [par.1]
( ) How long have scientists been following penguins? [par.2]
( ) Where do penguins usually breed? [par.3]
( ) What are scientists worried about? [par.4]

According to the text, the correct sequence, from top to bottom, is