______ from the space, the earth, with water _______ seventy percent of its surface, looks like a blue ball.
A.Seen; covered | B.Seen; covering |
C.Seeing; covering | D.Seeing; covered |
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______ from the space, the earth, with water _______ seventy percent of its surface, looks like a blue ball.
A.Seen; covered | B.Seen; covering |
C.Seeing; covering | D.Seeing; covered |