« previous next »

Author Question: What instrument used during the early part of the twentieth century improved the accuracy of ocean ... (Read 90 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Aug 22, 2018

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
Reply #1 on: Aug 22, 2018
Answer to Question 1

e

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

A shed carapace of a lady crab, part of the hard exoskeleton A shed carapace of a lady crab, part of the hard exoskeleton
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Harriet Beecher Stowe’s novel, Uncle Tom’s Cabin, became a staple of the mid-nineteenth-century thea Harriet Beecher Stowe’s novel, Uncle Tom’s Cabin, became a staple of the mid-nineteenth-century thea
Trig Proof Part 2 Trig Proof Part 2
Question 37 Part 2 Question 37 Part 2
Satellite data on primary productivity in the equatorial Pacific Ocean Satellite data on primary productivity in the equatorial Pacific Ocean
Video: Introduction to Spirometry

For a complete list of videos, visit our video library