Multiple Choice
How can a satellite sense the contours of the ocean bottom from space?
A) By shining a laser through the ocean to see the bottom
B) By using radar to sense the height of the sea surface over submerged features
C) By using sonar to measure ocean bottom contours directly
D) By sensing changes in gravity as it flies over trenches and mountain ranges
Correct Answer:
Verified
Correct Answer:
Verified
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