Author Question: If the path of polar wandering found from two continents are not the same, then we can say that ... (Read 74 times)

MGLQZ · **on:** Jul 29, 2018

If the path of polar wandering found from two continents are not the same, then we can say that

A) Earth's magnetic history has been very complex.
B) at least one of the continents has moved.
C) our radioactive dating techniques have been inaccurate.
D) the continents have always been widely separated.

Question 2

Oceans are about four times as deep as mountains are high. At the bottom of the ocean are

A) towering mountains, deep valleys, and deep trenches near the continental borders.
B) thick layers of basaltic crust at mid-ocean ridges that gradually thin near deep ocean trenches.
C) towering plutonic mountains created from volcanoes and fissures at oceanic ridge areas.
D) all of these