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Tutor profile: Ellen L.

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Ellen L.
Tutor, Coach, Yoga Instructor
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Questions

Subject: Pre-Calculus

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Question:

What does the transformation of f(x) ---> f(x) -10 do to the graph of f(x)?

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Ellen L.
Answer:

It would translate down the graph 10 units.

Subject: Environmental Science

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Question:

Name the four segments of the environment and explain them in a brief explanation.

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Ellen L.
Answer:

The first one is the biosphere which is where we are at it sustains life and various human activities. The next is the lithosphere it's the outer mantle of the physical solid earth. It's also known as the crust where rock and soil are, the soil is the most important part of the lithosphere. Continuing to the hydrosphere, hydro meaning water we can make the correct assumption that the hydrosphere deals with various water sources; rivers, oceans, glaciers, polar ice caps. Last but certainly not least we are in the atmosphere. The atmosphere is the protective gases meant to act as a blanket between earth and space. Its made up of nitrogen, oxygen, and other gas components.

Subject: Biology

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Question:

Why does DNA have a twisted spiral staircase shape?

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Ellen L.
Answer:

DNA is made up of nucleic acid with three main components. the first one would be its nitrogenous bases, secondly, we have its deoxyribose sugars, then last but certainly not least we have its phosphate molecules. So when these three components interact with water it makes the helix shape!

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