Radiometric dating shows that the oldest ocean crust is ...

[Capo]

Radiometric dating shows that the oldest ocean crust is ___________________ _ years old and the
  oldest continental crust is ___________________ _ years old. Fill in the blank(s) with the appropriate word(s).

Question 2

Magnetic stripes in oceanic basalts are ___________________ _ and ___________________ _ around
  ocean ridges. Fill in the blank(s) with the appropriate word(s).

[kthug]

Answer to Question 1

180 million, 3.96 billion

Answer to Question 2

parallel, symmetrical
symmetrical, parallel

[Capo]

Thanks for the timely response, appreciate it

[jackie]

Excellent