________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”
A.Seen; covered | B.Seeing; covering | C.Seeing; covered | D.Seen; covering |
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________from space, the earth, with water_____seventy percent of its percentage, looks like a “blue ball.”
A.Seen; covered | B.Seeing; covering | C.Seeing; covered | D.Seen; covering |