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Earth's magnetic field is generated in the iron rich mantle. (True or false?)

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Earth's magnetic field is generated in the iron rich mantle. (True or false?)

Earth's magnetic field is generated in the iron rich mantle.

Indicate whether the statement is true or false

Question 2

We suspect that quasars are the active centers of galaxies because

a. fuzz around the central luminous regions produces spectra like a collection of normal stars..
b. a few quasars have large red shifts.
c. the central regions of some quasars fluctuate rapidly.
d. all of the above
e. none of the above

Question 3

The oldest parts of Earth's crust are located along the midocean rifts.

Indicate whether the statement is true or false

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Disney6

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vr Author

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tremendous help

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