ANSWER TO MATH QUESTION:

672,000/42 = 16000 barrels x $10.20 per barrel = $163,200

ANSWER TO SCIENCE QUESTION

d.) Routine oil handling operations. Off loading oil and flushing tanker ship's tanks are big contributors. Shipping accidents contribute only about 13% of the oil entering the ocean; About the same as natuaral seep.

ANSWER TO GEOGRAPHY QUESTION:

Barbados. The Windward Islands got their name because they were "upwind" or into the prevailing northeast trade winds and therefore more difficult to get to by the square rigged sailing ships of the day.

ANSWER TO HISTORY QUESTION:

San Salvadore

Bonus answer: Genoa, Italy