Re-order paragraphs

Instruction:
The text boxes in the left panel have been placed in a random order. Restore the original order by dragging the text boxes from the left panel to the right panel.
Sea Life
a) This complicated analysis was published in a journal.
d) They had spent 3 years counting all living beings that they can count.
b) To find out if sea lives are as diverse as land lives, some biologists started to do a research.
c) The range is extremely wide, from those ones in the history to the ones in restaurants.
A
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