At mid-oceanic ridges, hot magma rises from the ...

[ts19998]

At mid-oceanic ridges, hot magma rises from the ___________________ _ and forms new
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

Paleomagnetic data plotted on a map suggested that the magnetic pole had moved over time; this
  phenomenon was called ___________________ _. Fill in the blank(s) with the appropriate word(s).

[Li Jun]

Answer to Question 1

mantle, seafloor

Answer to Question 2

polar wandering

[ts19998]

Thanks for the timely response, appreciate it

[komodo7]

Great answer, keep it coming