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Charles David Keeling began measuring atmospheric carbon dioxide levels on top of Mauna Loa volcano in 1958. These data are extremely valuable in showing how fossil fuel burning is adding carbon to th ...
Causes and Consequences of Global Warming.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Atmospheric carbon dioxide levels reach 400 ppm and no one knows what the outcome of this experiment will be.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you ...
Hipervinculo Ciencias de la Tierra y Medioambiente
The 2013 IPCC report makes five major points including that warming is happening and humans are mostly to blame.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents y ...
Hipervinculo Biología
Covers global climate change.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
When you ride the bus to school in the morning, your journey is probably powered by diesel or gasoline, which is both made from petroleum. Petroleum is a fossil fuel, which means that it is made from ...
Hipervinculo Ciencias de la Tierra y Medioambiente
How many of these disasters -- both natural and man-made -- can you identify?
It is an educational content by JetPunk, site that contains a wide variety of quizzes.
This week, in order to celebrate the Earth Day, we propose you a Toolkit which includes several lesson plans, activities and contests for K-12 students. From April 18 to April 25 you will be able to w ...
Ejercicio resuelto tipo Short compositions que corresponde a un examen de Inglés de la prueba de selectividad. El enunciado es el siguiente: Write about 100 to 150 words in the following topic: Descri ...
Ejercicio resuelto tipo Complete the sentences que corresponde a un examen de Inglés de la prueba de selectividad. El enunciado es el siguiente: Complete the following sentences. Use the appropriate f ...
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