1.As Arctic temperatures rise, summer sea ice and glacial melting accelerates. T
ID: 161337 • Letter: 1
Question
1.As Arctic temperatures rise, summer sea ice and glacial melting accelerates. This results in the replacement of lighter-colored snow and sea ice to be replaced by darker colored surfaces, which absorb more solar energy. This further raises the temperature, which results in more ice and snow melt. This is an example of a(n) __________. (dynamic equilibrium or steady-state equilibrium or positive feedback, negitive feedback)
2. True or false.Geodesy is the science that determines the size and shape of Earth
3. True or false. The whole world adjusts for daylight savings every year in much the same way as most of North America
4.True or false. The Mercator projection is an example of a conformal map projection.
5. In terms of physical matter and resources, the Earth is essentially a __________ system.
A. geographic
B.open
C. energy
D.closed
E.feedback
Explanation / Answer
1.positive feedback
2.True
4.True
5.D.closed
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