<span>This discovery activity puts students in the place of real volcanologists by giving them access to real-time data from Kilauea Volcano, Hawaii. They learn about volcano monitoring techniques, study case histories of important volcanic processes, and then form and test hypotheses for past and future volcanic events with multiple instruments and real-time data. As a result, students will understand the processes that shape a basaltic shield volcano.</span>
Zero has one square root which is 0. Negative numbers don't have real square roots since a square is either positive or 0. The square roots of numbers that are not a perfect square are members of the irrational numbers. This means that they can't be written as the quotient of two integers.
The author's purpose can be discovered by:
- Details in the story
- Historical context
<h3>What is an author's purpose?</h3>
The author's purpose is the intention of the author behind his writings. It is the reason or the intent in writing. It may be to persuade, inspire, amuse, or inform the reader.
The author's purpose may be determined by the details presented in the story and the historical contexts of the story and the author.
Therefore the correct options are I and II.
Learn more about the author's purpose here:
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