What was the Meteor expedition's most important innovation?

a. The echo sounder
b. The bathyscaphe
c. Modern optical equipment
d. The steam winch


ANS: A
Although the Meteor expedition introduced the use of modern optical and electronic equipment, the
echo sounder was considered the most important. An echo sounder is a device that bounces sound
waves off the ocean bottom to study the depth and shape of the seafloor. Information can be found in
the section Contemporary Oceanography Makes Use of Modern Technology.

Environmental & Atmospheric Sciences

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