6. i
Explanation
See the first sentence in each paragrph of Section GArtificial lateral lines would have many applications. Dr Liu also speculates about using lateral lines to detect air-movements.
7. TRUE
Explanation
See the first two sentences in Section AInventors have long tried to copy nature. Most, though, have looked to the skies and the land, rather than the sea, for inspiration.
8. FALSE
Explanation
See the last sentence in Section A Submarines, for example, use the familiar human senses of sight and sound to build images of their surroundings.
9. TRUE
Explanation
See the second sentence in Section CThe cells detect subtle water movements.
10. NOT GIVEN
Explanation
See the last two sentences in Section C Blind a shoaling fish such as a herring and it can still follow its mates. Cut its lateral lines and it rapidly gets lost.
11. FALSE
Explanation
See the first two sentences in Section G Artificial lateral lines would have many applications.The most obvious would be in submarines,both manned and unmanned.
12. TRUE
Explanation
See the last two sentences in Section G A lateral-line system could. The vortices thrown off by water moving past even a stationary object would be visible to it.
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