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Chapter 2
Science, Systems, Matter, and Energy
Core Case Study: Easter Island
What happened to the people of Easter Island?
What happened to the environment of Easter Island?
2-1 The Nature of Science
What do scientists do?
What is the scientific process?
What are 3 important features of the scientific method?
What is the difference between science and technology?
Why is a multivariable analysis better for environmental studies compared to a single-variable analysis?
What is bottom-up reasoning?
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I. The Sui Dynasty (581-618) - The Sui Dynasty was shortlived, but it did have many achievements. The China was unified for the first time in 300 years.
a. The Grand Canal
i. Linked Huang and Yangtze
ii. New water route that linked North and South
iii. Easier to trade
iv. Easier to watch over empire
v. Cons: higher taxes, forced labor
b. Sui Yangdi
i. Second emperor
ii. Cruel
iii. Extravagant lifestyle
c. Downfall - army failure, rebellion, emperor murdered
A prokaryotic cell can regulate its metabolism in response to a changing environment in two different ways. The first is by feedback inhibition. In the tryptophan synthesis pathway, which I?ll talk about later in more detail, obviously tryptophan is made.
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Hydraulic and Geothermic Energies?No-limits energy production for the future??
Hydraulic and Geothermic Energies are some of today main objectives for an eco-compatible energy development.
Hydraulic Energy
Energy is created by the water-cycle induced by solar radiation.
Hydroelectric power plants make use of the potential energy of:
a) water stored in large basins (natural or dam-contained)
b) water flowing downstream between two different levels.
?
Hydraulic Plants are classified according to:
Inca c. 1350 ? 1550
Geography
Western coast of S. America
Total Pop: 10 million
Capital at Cuzco, religious center Machu Pichu
4000 miles in length
Made up of hundreds of tribes loosely ruled by the Inca
Empire included deserts along the coast, jungle and high mountain villages
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