« previous next »

Author Question: In the mid-twentieth century, oceanographers used what devices to map the ocean floor? a. ... (Read 22 times)

beccaep

  • Hero Member
  • *****
  • Posts: 535
on: Aug 22, 2018

In the mid-twentieth century, oceanographers used what devices to map the ocean floor?
  a. Seismographs
  b. Convective current profilers
  c. Isostatic sounders
  d. Conductive detectors
  e. Echo sounders



Question 2

Oceanographers and seismologists further explored the theory of continental drift during the early- to mid-twentieth
  century by correlating patterns of earthquakes and ____.
  a. volcanoes
  b. fault lines
  c. isostatic equilibrium
  d. tectonic plates
  e. convection currents



aprice35067

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Aug 22, 2018
Answer to Question 1

e

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Devices used to deliver respiratory drugs: (c) dry powder inhaler Devices used to deliver respiratory drugs: (c) dry powder inhaler
Monstrous people from distant lands depicted in a fifteenth-century European woodcut. Monstrous people from distant lands depicted in a fifteenth-century European woodcut.
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
Vija Celmins, Untitled (Ocean). Vija Celmins, Untitled (Ocean).
Turn baby over, placing him or her sideways across your legs if on floor or across pillow. Turn baby over, placing him or her sideways across your legs if on floor or across pillow.
Video: Secondary Active Transport

For a complete list of videos, visit our video library