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.
You might also like to view...
Ten seconds after starting from rest, a freely falling object on Earth will have a speed of about
A) 10 m/s. B) 50 m/s. C) 100 m/s. D) more than 100 m/s.
This city typically has the worst pollution in the United States: ________
Fill in the blank(s) with the appropriate word(s).
How many of the fatty acids which the body needs is it unable to synthesize?
A) 1 B) 2 C) 3 D) 4
________ is defined as travel to a place outside one's usual residential environment and involving a stay of at least one night
Fill in the blank(s) with correct word