How much of the surface of the Earth do oceans cover, and what percentage of Earth's total water supply do they represent?
a. The oceans of the Earth collectively cover 97% of its surface, thus representing 97% of the Earth's total water supply.
b. The oceans of the Earth collectively cover 71% of its surface, and represent 97% of the Earth's total water supply.
c. The Earth's oceans cover 3800 square meters of the Earth, and represent 71% of the Earth's total water supply.
d. The oceans of the Earth collectively cover 97% of its surface, and represent 71% of the Earth's total water supply.
e. The oceans of the Earth collectively cover 71% of its surface, thus representing 71% of the Earth's total water supply.
b. The oceans of the Earth collectively cover 71% of its surface, and represent 97% of the Earth's total water supply.
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