How are the mountain valleys, which have the direction of the mountain ranges, been produced?
Fig. 59.
How is the existence of submarine mountains shown?
What is the movement by which continents are elevated?
State the evidence of the elevation of continents from the existence of elevated sea-beaches.
The evidence of the elevation of the coast of Maine.
The evidence of elevation from the existence of lakes.
From the geographical range of the older strata.