Author Question: A drought defined based on decreases in stream flow, lowering of reservoir levels, and declines in ... (Read 79 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
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

  • Sr. Member
  • ****
  • Posts: 297
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library