Author Archives: Erin Kraeher

Drying Lakes | Erin Kraeher

Lake Titicaca An issue that I was not aware of at all before this class was the drying out of many lakes around the world. It is a huge problem for the communities that surround the lake, as well as … Continue reading

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Aridification in Africa 5000 years ago

To start off, what is the term “aridification”? I had no idea when I was looking at environmental articles. Aridification is “the process of a region becoming increasingly dry.” Instead of seasonal variation, this refers to a long-term change in … Continue reading

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Let’s Dispose of Disposable Plastic | Erin Kraeher

Imagine walking through the streets of center city Philadelphia, sometimes it just feels like every step you take there’s another piece of litter on the ground. Cities are especially bad because of the large population, but imagine being surrounded by … Continue reading

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In the News: Tropical forests have flipped from sponges to sources of carbon dioxide

I think as a global community when we see nature at its finest we are in awe of how grand things are how beautiful the wildlife is, how exotic the flowers are and how giant trees can grow to be … Continue reading

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Erin Kraeher: Math Quiz

 \(x^3-3x^2 –  10x=0\) \((1+r)^n\) \((5.7\times 10^ {-8})\times (1.6\times 10^{12})= 9.12\times 10^{4}\) \(\pi L (1-\alpha)R^2=4\pi\sigma T^4R^2\) \[12\text { km} \times  \frac {0.6 \text { mile}} {1 \text { km}} \approx {7.2 \text { mile}}        \] \(4,173,445,346.50 \approx 4,200,000,000 … Continue reading

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An Introduction: Erin Kraeher

Hi everybody, My name is Erin, I am a junior at Penn State and an intended Spanish major with a French minor so just from hearing that you could probably guess my math skills are not that of Pythagoras let … Continue reading

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