Earthquakes and Volcanoes
Earthquakes and Volcanoes

Earthquakes and Volcanoes

Lead Author(s): Prabin Shilpakar

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Our Earth is a dynamic planet, so there are a frequent accumulation and release of energy within the Earth that produce natural hazards. The Earth's natural processes are responsible for disasters that cause casualties, and the destruction of landscape and property. When these natural calamities strike heavy blows to humans, then they become a topic of interest to us. As the human population has increased dramatically over the past century, more people find themselves exposed to natural hazards. With the development of information technology and the news media, we have access to stunning images and stories from a different part of the world where numerous people lost their lives and properties because of natural disasters. Unfortunately, human communities are now expanding into areas previously contemplated as hazardous to life. So, we have to pay more attention to the geologic hazards and have a better understanding of the Earth's processes that enable us to tackle these global challenges and manage the inevitable natural catastrophes. To understand Earth's processes, we must know about the mechanisms and energy sources that fuel them. We need to know planet Earth as a whole.

Hi there! Welcome to your interactive Earthquakes and Volcanoes textbook.  We hope you have a great experience with this course and your text. To start, we would like to introduce you to some of our features so that you are comfortable with your new textbook.

Among the things you will frequently encounter in our texts are embedded questions. Depending on your professor, these may be graded for participation or correctness.  In this course , you will get grade for correctness only.  There are three types of questions we have to offer. Let's take a look at one of each:

1) Multiple Choice: Simply click on the correct answer and then click "Submit". If there is more than one correct answer, it will be specified in the question.


Multiple Choice

How old is the planet Earth?

A

4.6 billion years

B

4.6 million years

C

3.8 billion years

D

4 billion years

E

None of the Above


2) Word Answer: Just type your answer into the textbox and click "Submit". (Note:  For short answer question,only input the exact word that is written in the textbook. The system will not read synonym words or phase. Avoid using any punctuation marks (, ". ?) or special character in your answer).

Word Answer Example

What is the natural phenomenon that causes sudden shaking of the ground and buildings ?


3) True or False: As the name suggests, these questions have two options, either the statement is True or False. You have to select a correct answer to receive a grade.


True or False

Volcanic eruptions are the natural phenomenon

A

True

B

False


In addition, there is one quiz per chapter.  These quizzes are standalone quizzes that cover only one chapter . The quiz offer three types of questions similar to those shown above.

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