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Tutor profile: Marisa A.

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Marisa A.
Library Director
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Questions

Subject: Geology

TutorMe
Question:

What are the different types of plate boundaries and what landforms result in each?

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Marisa A.
Answer:

Plate tectonics is the movement of the earth crust, which is divided into different plates. These plates can move toward each other, away from each other, or can slide past each other. Divergent plate boundaries are when two plates are moving away from each other. This results in a mid ocean ridge and new seafloor being created. Convergent plate boundaries occur when two plates are moving toward each other. This can result in different landforms depending on the types of crust. If two continental crusts are colliding, mountains are a result. If a continent is moving towards ocean crust, the ocean crust is subducted under the continent and volcano are formed on the continent. If two ocean crusts are colliding, the older, denser one subducts under the younger one. This forms volcanic island arc chains. Transform plate boundaries occur when two plates are sliding past each other. This results in earthquakes, but not volcanoes or mountains.

Subject: Library and Information Science

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Question:

What is the CRAAP test and what is it used for?

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Marisa A.
Answer:

The CRAAP test is a tool used by librarians to teach information literacy. This tool is specifically for evaluation of sources. It stands for: Currency, Relevance, Authority, Accuracy and Purpose. Currency is the age of the material. Relevance is how close is the subject related to the topic at hand. Authority refers to the author of the work and if they are an expert, have bias, etc. Accuracy is whether the information presented is correct. And Purpose is the reason the material was created, is there an agenda?

Subject: Earth Science

TutorMe
Question:

What is the Earth system? What are the different components of the Earth system?

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Marisa A.
Answer:

The Earth system is a group of spheres, which are the different components that make up the planet. There are four main spheres: the atmosphere, biosphere, geosphere, and hydrosphere. The geosphere is the physical, solid earth, known as the crust. It also includes the mantle and outer and inner core. The hydrosphere is the water on the planet. It includes the oceans, lakes, rivers, etc. Ice can be included, but is sometimes separated out into it's own sphere, the cryosphere. The biosphere is the living, organic material that lives on the earth and in the ocean. It includes plants, animals, fungi, and other organisms. The atmosphere is the layer of gas that surrounds the planet. It includes water vapor, clouds, wind and gasses such as oxygen and carbon dioxide.

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