« previous next »

Author Question: A research team is studying the velocity of seismic waves in various types of rock. Using ... (Read 108 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
on: Jul 16, 2018
A research team is studying the velocity of seismic waves in various types of rock. Using explosives, they create small explosions to study how fast the energy waves will travel.
 
  Using the velocity data below, infer which rocks are higher in density and which are lower in density. Which rock or rocks have the highest density?
 
  Rock A: 7 km/s
  Rock B: 5.9 km/s
  Rock C: 7.2 km/s
  Rock D: 6.1 km/s
  Rock E: 6.25 km/s
 
  A) Rock C
  B) Rocks B & D
  C) Rocks B, D, & E
  D) Rocks A & C

Question 2

Which layer of the Earth is the thinnest?
 
  A) Crust
  B) Mantle
  C) Outer Core
  D) Inner Core


mohan

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells
Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into Examples of Ways That Different Types of Intersections of Two Line Segments Can Be Transformed into
Various types of cells within the human body. Various types of cells within the human body.
Introduction to Behavioral Research Methods, 6/E Introduction to Behavioral Research Methods, 6/E
Three Types of Neurons Three Types of Neurons
Video: Exocytosis - secretion

For a complete list of videos, visit our video library