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Author Question: A drought defined based on decreases in stream flow, lowering of reservoir levels, and declines in ... (Read 87 times)

bclement10

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on: Jul 13, 2018
A drought defined based on decreases in stream flow, lowering of reservoir levels, and declines in snowpacks is a(n)
 
  A) meteorological drought.
  B) agricultural drought.
  C) hydrological drought.
  D) socioeconomic drought.
  E) climatic drought.

Question 2

What is the relationship between seafloor spreading and reversals in the Earth's magnetic field.
 
  What will be an ideal response?


Dnite

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Reply #1 on: Jul 13, 2018
Answer to Question 1

C

Answer to Question 2

As seafloor spreads, magma emerges at the surface and magnetic particles in the lava orient with the magnetic field in force at the time. Over time, a magnetic record is preserve in the seafloor. Using isotopic methods, a chronology of these reversals can be established.


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