sammynawrozkioxvld8 sammynawrozkioxvld8
  • 23-01-2018
  • Chemistry
contestada

how many times stronger was the earth's magnetic field in 800 B.C.?
a. 1.5 times
b. 2 times
c. 3 times
d. 4 times

Respuesta :

flatboy flatboy
  • 23-01-2018
The answer should be c. 3 times 
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david8644
david8644 david8644
  • 09-10-2019

Answer:

b. 2 times

Explanation:

The earth´s magnetic field decays approximately 10% every 150 years, so form that we can extrapole the fact that 2800 years ago it would be approximately 2 times stronger the earths magnetic field compared to the earth´s magnetic field at this time.

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