Author Question: The most useful way to measure seafloor depth is to ____. A)measure the time it takes for sound ... (Read 94 times)

stock

  • Hero Member
  • *****
  • Posts: 573
The most useful way to measure seafloor depth is to ____.
 A)measure the time it takes for sound waves to travel from a ship to the seafloor and back
 B)use an energy source to produce strong waves that will reflect from the seafloor and layers beneath the seafloor
 C)use a very long line with a weight attached
 D)make trips to the seafloor in modern submersibles
 E)extrapolate depth from temperature and pressure changes

Question 2

Regional metamorphism is confined to convergent plate margins.
  Indicate whether the statement is true or false



parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

B

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

For a complete list of videos, visit our video library