The seafloor magnetic pattern is best described as:

a) parallel to, but not symmetric about mid-ocean ridges.
b) perpendicular to, but not symmetric about mid-ocean ridges.
c) perpendicular to and symmetric about mid-ocean ridges.
d) parallel to and symmetric about mid-ocean ridges.
e) not related to the location of mid-ocean ridges.


d) parallel to and symmetric about mid-ocean ridges.

Environmental & Atmospheric Sciences

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What mineral test is shown in this photograph?

A. streak B. specific gravity C. scratch test D. effervescence E. magnetism

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Which of the following is not true about electricity generated by wind?

A) It is cost-competitive with electricity generated by coal, oil, and nuclear. B) Turbines have been installed in over 81 countries. C) It could help reduce carbon dioxide emissions. D) There are numerous economic and social benefits associated with wind energy. E) it is non-renewable and has been linked to adverse human health effects.

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Although many elements are dissolved in seawater, no gases are

Indicate whether the statement is true or false

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Map the different rates of natural increase in Europe, noting which countries will grow and which will decline in the next 20 years. Then link this map to a discussion of migration in Europe

Given these two factors, how might the population map change in 20 years?

Environmental & Atmospheric Sciences