Author Question: What instrument used during the early part of the twentieth century improved the accuracy of ocean ... (Read 95 times)

viki

  • Hero Member
  • *****
  • Posts: 525

What instrument used during the early part of the twentieth century improved the accuracy of ocean depth
  measurements compared to the rope and weight?
  a. Remotely operated underwater vehicle
  b. Acoustic Doppler current profiler
  c. Satellite
  d. Autonomous underwater vehicle
  e. Echo sounder



Question 2

What explorers expeditions used rope with a weight attached to determine ocean depths?
  a. Eratosthenes
  b. Ferdinand Magellan
  c. Sir James Clark Ross
  d. Christopher Columbus
  e. James Cook




Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

e

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library