Although George Airy's hypothesis better explains surveying errors in the Himalayas, John Pratt's hypothesis better explains
A) how the Himalayas formed in the first place.
B) elevation differences between oceans and continents.
C) surveying errors in the Appalachian Mountains.
D) isostatic adjustments to ice-age glaciers.
Question 2
The principle of isostasy tells us that the key factor(s) determining the elevation of a floating object is(are)
A) thickness and density.
B) thickness only.
C) density only.
D) the percentage of ice.