Longitude is the imaginary line that runs from the east to the west and thus, is the distance between the two. Latitude, however, is the line that runs from north to the south. The prime meridian is at zero degrees longitude. It<span> runs through the United Kingdom, France, Spain, western Africa, and Antarctica</span>
Actually, the answer would be 4. Gasoline. Think about it: once you use gasoline, can you use it again? All the other answers can be used again (wind will never go away, trees can be recycled, corn can be composted) but gasoline can't be used twice.
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Answer: What substances dissolve in ocean water.
This is the only question that can be answered through scientific investigation because it is the only question that can be tested. The other questions cannot be answered through scientific investigation because they based on opinions which are more abstract.
The age of an organism
because it breaks down over years.