B sounds like the best possible answer since there is no need for citizens to have tanks and such.
Yes the first answer is D and the second one is C
In the BP Oil Spill, more than 200 million gallons of crude oil was pumped into the Gulf of Mexico for a total of 87 days, making it the biggest oil spill in U.S. history. 16,000 total miles of coastline have been affected, including the coasts of Texas, Louisiana, Mississippi, Alabama, and Florida.
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-Lili<3
Sumerian traders traveled <u>2000 miles </u>to the Indus River in India to trade with civilizations there.
<u>Explanation:</u>
Sumerians are known for their metalwork and craft. Sumerians traded with their neighboring countries for their survival. They exchanged timber, wine, precious metals and stones to get grain, oils and textiles.
To trade with Indian civilizations, Sumerian traders traveled 2000 miles to the Indus River. They use donkey caravan, river barges and sea- going ships for travelling to all parts of the world.
During trading Sumerians faced many challenges. They mainly used sea route for trading; Unpredictable flooding was a great challenge faced by the Sumerians.
