The cable was laid, but not until 1866 was the connection made permanent and reliable. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea.
Within a few years oceanography was under way. In 1872 Thomson led a scientific expedition, which lasted for four years and brought home thousands of samples from the sea. Their classification and analysis occupied scientists for years and led to a five-volume report, the last volume being published in 1895.
21. The proposal to lay a telegraph cable from Europe to America made oceanographic studies take on ______.
A) an academic aspect C) a business aspect
B) a military aspect D) an international aspect
22. It was ______ that asked Maury for help in oceanographic studies.
A) the American Navy
B) some early intercontinental travelers
C) those who earned a living from the sea
D) the company which proposed to lay an undersea cable
23. The aim of the voyages Maury was responsible for in the 1840s was ______.
A) to make some sounding experiments in the oceans
B) to collect samples of sea plants and animals
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